To be at one's wit's end; to be at a loss as to what to do; to have no way out.
面对突如其来的困境，他感到无计可奈，只能请求别人的帮助。
Faced with the sudden predicament, he felt at his wit's end and could only ask others for help.
Next Idiom
To be at one's wit's end; to be at a loss as to what to do; to have no way out.