useful /ˈjuːsfʊl/ CET4 TEM4

• 1. 

  ADJ If something is useful, you can use it to do something or to help you in some way. 有用的

  例：

  The pressure cooker is very useful for people who go out all day.

  压力锅对整天外出的人非常有用。

  例：

  Hypnotherapy can be useful in helping you give up smoking.

  催眠疗法在帮助你戒烟方面可能有用。

• 2. 

  usefully ADV 有用地 [ADV with v]

  例：

  ...the problems to which computers could be usefully applied.

  …可以应用计算机来解决的问题。

• 3. 

  PHRASE If an object or skill comes in useful, it can help you achieve something in a particular situation. 有用

  例：

  Extra blank paper will probably come in useful.

  额外的空白纸可能用得着。