waster
noun/ˈweɪstə(r)/
/ˈweɪstər/
- (often in compounds) a person or thing that uses too much of something in an unnecessary way
浪费…的人;耗费…的东西 - He's a time-waster.
他总是浪费时间。 - Many household machines are great energy wasters.
许多家用机器都是极大的能源浪费。
- He's a time-waster.
- (informal, disapproving) a person who is not helpful, useful or good at anything
废物;饭桶