weak at the knees
成語所屬單字knee
weak at the knees — 慣用語
1. feeling emotionally overwhelmed, extremely nervous, or physically faint, as if y
1.慣用語
釋義
腿軟；激動得站不穩
feeling emotionally overwhelmed, extremely nervous, or physically faint, as if your legs cannot support you
例句
Gabriel went weak at the knees when he saw the exam results.
The smell of freshly baked bread makes me weak at the knees.