help的形容词性怎么写

help的形容词是helpful 有用的;有益的;

help

v.帮助;协助;援助;改善状况;促进;促使;搀扶;带领；

n.帮助;协助;援助;有助益的东西(如忠告、钱等);有用

He can be very helpful, but only when it suits him.

有时候他非常肯帮忙，不过那得他觉得合适。

The receptionist was less than helpful.

那接待员一点忙都不帮。

You\'re a great help, I must say!

我得说，你可没少帮忙！

I\'ll see what I can do to help.

我考虑考虑，看我能帮上什么忙。