fasten on
片語動詞所屬單字fasten
fasten on — 片語動詞
1. To give your full attention to something or to choose something quickly.
1.片語動詞
釋義
專注於；選定
To give your full attention to something or to choose something quickly.
例句
The detective fastened on the clue about the missing key.
Why did you fasten on that particular idea for the project?