useful
useful
adjective
make oneself useful
usefully
adverb
usefulness
noun
adjective
- able to be used for a practical purpose or in several ways
有用的，实用的，有效的
aspirins are useful for headaches.
阿司匹林治头疼有效。
■(informal)very able or competent in a particular area
(非正式)（特定领域）有能力的；胜任的
a useful pace bowler.
胜任的快投手。
make oneself useful
- do something that is of some value or benefit to someone
做对人有利的事
make yourself useful—get Jenny a drink.
做点好事——帮珍妮拿杯饮料。
usefully
adverb
usefulness
noun
考试词汇表
