if one is in the middle, there will be of no use to study hard.
如果阁下是处于中游的位置,不论你是否努力,中游将是你的终身伴侣。
this was quite a female case, and it would be highly absurd in him, who could be of no use at home, to shut himself up.
这完全是女人家的事情,他在家里起不到任何作用,再把他关在屋里岂不是荒唐至极。
the efforts we have made seem to be of no use and we feel very disappointed.
我们做出了很多努力似乎是毫无用处的,我们感到非常失望。
when i leave school i fear i will be of no use to society.
当我离开学校,我怕我对社会没有用。
i am afraid my talk will be of no use or interest to you for i really have no special knowledge. but after putting this off so long i have finally had to come here to say a few words.