Iwanted to do my bit for a worthwhile charity. 我想为值得捐助的慈善机构尽一点力。

We felt the meeting had been very worthwhile. 我们感到开这次会议很值得。

be worthwhile to do sth/doing sth It might be worthwhile to recall a few important facts. 也许值得花时间去回想一些重要的事实。