a shot in the arm
成語所屬單字arm
a shot in the arm — 慣用語
1. Something that gives encouragement or needed help to someone or something.
1.慣用語
釋義
強心針
Something that gives encouragement or needed help to someone or something.
例句
The new funding was a shot in the arm for the project.
Her kind words gave me a shot in the arm.