But we found nearly half on them were mouldy. We can't accept them anyway.
但是我们发现差不多一半发了霉。无论如何我们不能接受。
As far as I could see, it needed only a minor adjustment: a turn of a screw here, a little tightening up there, a drop of oil and it would be as good as new.
在我看来,只需稍加调整即可。这儿紧紧螺丝,那儿固定一下,再加几滴油,就会像新的一样了。