no good

成語所屬單字good

no good — 慣用語

1. Completely useless, ineffective, or of unacceptable quality — a fixed expression

1.慣用語
釋義

沒用;不行;不好

Completely useless, ineffective, or of unacceptable quality — a fixed expression used when something fails to serve its purpose.

例句

Christopher tried three different keys, but none of them were any good.

That old laptop is no good for editing videos anymore.