specialise

specialise — verb

1. to focus your studies or work on one specific area so that you gain deep knowled

1.動詞不及物B2
釋義

to focus your studies or work on one specific area so that you gain deep knowledge and skill in that area, rather than studying or working in many different areas

例句

Emre specialised in environmental law after his first year of legal training in Ankara.

specialise in + field of study

After working as a general doctor for three years, Yuna decided to specialise in paediatric heart surgery.

decided to specialise in + area of medicine

同義詞
  • focus on

    less formal; does not necessarily imply deep expertise, just concentration of effort

  • major in

    restricted to formal academic study at university level, especially in the US system

反義詞
  • generalise

    to work or study across many areas rather than concentrating on one

文法句型

specialise + in + noun phrase / gerund

用法筆記

Always followed by 'in' when specifying the area of expertise. The subject is typically a person, a group, or an organisation that studies or practises a field. For the spelling variant 'specialize', see note above.

常見錯誤

❌He specialises on European history.
✅He specialises in European history.
💡the correct preposition after 'specialise' is 'in', not 'on' or 'at'.
❌She specialised cancer treatment.
✅She specialised in cancer treatment.
💡'in' is required before the object; it is never omitted.

2. to make a particular type of product or service the main focus of your business,

2.動詞不及物B2
釋義

to make a particular type of product or service the main focus of your business, often becoming known or respected for it

例句

The restaurant near the harbour specialises in fresh seafood dishes from the Mediterranean coast.

specialise in + type of food / product

Sade runs a small print shop that specialises in handmade wedding invitations and custom stationery.

同義詞
  • focus on

    broader; can describe any business priority, not necessarily the main offering

  • concentrate on

    similar but emphasises deliberate allocation of resources

文法句型

specialise + in + noun phrase (type of product or service)

用法筆記

Frequently used in business contexts, often in promotional or descriptive writing about companies. The subject is always an organisation, business, or the people who run it. 'Specialise in' is not normally used for one-off or occasional services.

常見錯誤

❌The bakery specialises for gluten-free bread.
✅The bakery specialises in gluten-free bread.
💡'in' is always the correct preposition, not 'for' or 'with'.

3. to do a particular thing so often that people start to associate that behaviour

3.動詞不及物C1
釋義

to do a particular thing so often that people start to associate that behaviour with you, often used in a slightly humorous or complaining way

例句

Aarav specialises in arriving just as the meeting is about to start, making everyone turn to look at him.

specialise in + habitual behaviour (gerund)

Eitan's father specialises in giving long, unsolicited advice about car maintenance to anyone who mentions owning a vehicle.

同義詞
  • be known for

    neutral in tone; less coloured than 'specialise' in this sense

  • have a habit of

    more direct and neutral, without the ironic edge

文法句型

specialise + in + gerund phrase

用法筆記

This sense carries an informal or mildly ironic tone. The object of 'in' is nearly always a gerund phrase describing a repeated action. Distinguish from sense 1: sense 1 implies respected expertise, while sense 3 describes a quirky or annoying habit.

常見錯誤

❌He specialises in excuse.
✅He specialises in making excuses.
💡a gerund or noun phrase is required after 'in'; bare nouns sound incomplete.

4. to slowly develop, over many generations, physical or behavioural features that

4.動詞不及物C1
釋義

to slowly develop, over many generations, physical or behavioural features that help a living thing or a body part survive in a specific habitat or carry out a specific role

例句

Over thousands of years, the cactus specialised to store water in its thick stem for long periods of drought.

specialised to + infinitive (purpose)

The hummingbird's beak has become highly specialised for reaching nectar deep inside trumpet-shaped flowers.

passive: has become specialised for

同義詞
  • adapt

    broader term for any evolutionary change; less specific than 'specialise'

  • evolve

    emphasises the process of gradual change over generations

文法句型

specialise + to + infinitive

specialise + for + noun phrase

be specialised + for / to

用法筆記

This sense belongs to technical biology and is rare outside academic or nature-writing contexts. Unlike senses 1–3, this sense can take 'to' + infinitive or 'for' + noun phrase to indicate the purpose. The past participle 'specialised' (as in 'a specialised organ') is very common in this sense.

常見錯誤

❌The fish specialised in living in dark caves.
✅The fish specialised for living in dark caves.
💡in biology, 'specialised for' or 'specialised to' is preferred over 'specialised in'.