(one's) knees are shaking
(one's) knees are shaking
One is trembling or shaking with fear, anxiety, or nervousness. That poor kid's knees were shaking up there on stage while he waiting for his turn to talk. I may seem confident when I'm leading a training seminar, but my knees are shaking most of the time.
See also: knee, shake
Farlex Dictionary of Idioms.
- (one's) knees are knocking
- your knees are knocking
- your/somebody's knees are knocking
- (one's) knees knock together
- be shaking like a leaf
- the shakes
- shake like a jelly/leaf
- shake like a leaf
- bone shaking
- shake in (one's) shoes