behaviour

behaviour — noun

1. the usual way a person acts, especially in dealing with other people or followin

1.名詞B1
釋義

the usual way a person acts, especially in dealing with other people or following rules.

例句

The coach praised Mia's calm behaviour after the team lost the final.

adjective + behaviour

Bad behaviour on the school bus led to a call home.

collocation: bad behaviour

同義詞
  • conduct

    more formal and often used when judging whether someone's actions are acceptable

  • manners

    focuses more narrowly on politeness in social situations

  • actions

    refers to particular things a person does, not their general pattern

用法筆記

Usually uncountable when you mean a person's general way of acting. Distinguish from sense 2, which is common in scientific or technical descriptions of how animals, machines, or substances react in certain conditions.

常見錯誤

❌His behaviours are strange.
✅His behaviour is strange.
💡for a person's general way of acting, 'behaviour' is usually uncountable.
❌The teacher was angry by his behaviour.
✅The teacher was angry about his behaviour.
💡use 'angry about' for the cause of the feeling.

2. how a person, animal, machine, or substance reacts or functions in certain condi

2.名詞B2
釋義

how a person, animal, machine, or substance reacts or functions in certain conditions.

例句

Scientists measured the behaviour of the gas at very low temperatures.

behaviour of + substance + at + condition

The robot's behaviour changes when the floor becomes wet.

同義詞
  • response

    emphasizes what happens after a particular cause or change

  • reaction

    often used when a substance, body, or system changes because of something else

  • performance

    focuses more on how well a machine or system works

用法筆記

Often appears with 'of' plus the thing being studied, and with phrases such as 'under pressure', 'in water', or 'at high temperatures'. Distinguish from sense 1, which mainly concerns a person's social conduct.

常見錯誤

❌The scientist studied the gas's behave under pressure.
✅The scientist studied the gas's behaviour under pressure.
💡after a possessive form, you need the noun 'behaviour', not the verb 'behave'.