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weak in the knees
01
feeling strong emotions, like fear or anxiety, in a way that makes it difficult for one to stand
What is the origin of the idiom "weak in the knees" and when to use it?
The exact origin of the idiom "weak in the knees" is unclear, as it has been in use for a considerable period of time. However, it is thought to stem from the physical sensation that some people experience when they are overcome with strong emotions or excitement. It is commonly employed when someone experiences a strong, overwhelming, or captivating reaction to a person, event, or situation.
例子
The surprise marriage proposal caught her off guard, leaving her weak in the knees with overwhelming joy.
As he walked towards her, his charming smile made her feel weak in the knees.
The powerful performance by the talented musician left the audience weak in the knees, moved by the music.
The breathtaking view from the mountaintop left him weak in the knees with its beauty.
When she saw her favorite celebrity in person, she felt weak in the knees and could barely stand.
