take advantage of
use for one's own benefit 利用
He takes advantage of his fine secretary by leaving all the work to her and doing nothing himself．他利用他那位能干的秘书，把所有工作都丢给她干，自己却什么也不干。
He always takes full advantage of the mistakes made by his rivals．他总是充分利用对手的失误。
They decided to take advantage of the beautiful weather and go to the country．他们决定利用这么好的天气到乡村去。
He was always good to people，and there were those that took advantage of him．他总是待人很好，所以有人总想占他的便宜。