sag

IPA/sæɡ/
KK[sˈæɡ]IPA/sæɡ/

sag — verb

  • sagpresent simple I / you / we / they
  • sags3rd person singular
  • sagging-ing form
  • saggedpast simple

1. to bend or drop downwards in the middle, especially because something heavy is p

1.動詞及物 / 不及物B1
釋義

to bend or drop downwards in the middle, especially because something heavy is pressing on it or because it has lost its original firmness — for example, a mattress sagging after years of use, or a rope sagging under a load.

例句

The old wooden shelf began to sag under the weight of too many books.

sag under the weight of [sth]

After years of use, the mattress in the guest room had sagged in the middle.

sag in the middle

同義詞
  • droop

    focuses on hanging or bending limply, often from one end (a drooping flower)

  • slump

    suggests a heavier, more sudden collapse (slumping into a chair)

  • sink

    implies downward movement into something (sinking into soft ground)

反義詞
  • tighten

    opposite in the sense of a rope or cable becoming taut

  • rise

    opposite of downward movement

文法句型

intransitive: [subject] + sag

transitive: [subject] + sag + [object]

用法筆記

Frequently intransitive; the transitive use (e.g. "the weight sagged the shelf") is less common in everyday speech.

常見錯誤

The heavy bag sagged the hook.
The hook sagged under the weight of the heavy bag.
💡'sag' describes the object that bends or drops, not the thing causing the pressure.

2. to become weaker, less active, or less successful over a period of time — for ex

2.動詞不及物B1
釋義

to become weaker, less active, or less successful over a period of time — for example, sales sagging in a slow season, someone's energy sagging in the afternoon, or morale sagging after repeated setbacks.

例句

Sales of the company's flagship product sagged by fifteen percent last quarter.

sag by [amount/percentage]

Student motivation often sags during the final weeks of the school term.

同義詞
  • decline

    more formal and gradual; can apply to health, quality, or quantity

  • drop

    suggests a quicker, more noticeable decrease

  • dip

    implies a temporary and often small decrease

反義詞
  • rise

    opposite direction for prices, sales, or demand

  • improve

    opposite for morale, energy, or performance

文法句型

[subject] + sag

[subject] + sag + (by + amount)

用法筆記

Common with economic or quantitative subjects (sales, demand, prices, profits). For personal energy, often used with 'feel' or 'begin to'.

常見錯誤

The price was sagged last month.
The price sagged last month.
💡In this sense, 'sag' is intransitive and is not used in the passive voice.

sag — noun