at a loss as to what to do; bewildered; panicked and not knowing how to handle a situation. Literally translates to having nowhere to put one's hands and feet. Also written as [[手脚无措|手腳無措|shou3 jiao3 wu2 cuo4]].

to be in a muddle or at a total loss as to what to do; describes being flustered and not knowing how to handle a situation

terrified and at a loss as to what to do; (variant form) seized with fear and panic