Her good nature can be presumed upon once too often.

妨再利用一次她那善良的天性。

I needn't wait, I may as well tell you now.

我必等, 妨现在就告诉。

I've never cooked before, but I don't mind having a bash at it.

我从来没有烧过菜,但我也妨试一试。

You try to enroll early for that class.

妨及早注册参加那个班的。

There is no harm in trying.

妨一试。

The fifteen drums of methyl alcohol, in addition to loose lids, are bulging. You might as well recooper them.

这15桶甲醇盖子松外，还鼓胀，妨重修一下。

You could try to fake out the teacher by handing in your book as though you'd done the work.

妨捉弄一下老师, 就像已完成作业那样把本子交给他。

You cannot see a street fight in its totality, observing it from the viewpoint of a boxer, a kung-fu man, a karateka, a wrestler, a judo man and so forth.

妨以自己所的门派(无论是西洋拳、功夫、空手道、角力、柔道)来观察街头的打架。