no-good
adj. 毫无用处的
1. without merit;
2. returned for lack of funds;
If the weather's no good then I won't take any pictures.
如果天气不好,我就不拍照了。
It's no good worrying about it now.
现在就为此发愁根本没用。
If the new actor is no good, kick him out.
如果那个新来的演员不怎么样就让他走.
That child is always crying for no good reason.
那个孩子总是无缘无故地哭.
No good can come of your marrying above your status!
攀高枝对你绝无好处!