习惯用语hang by one's eyelids1.系得不牢; 处于非常危急的境地hang by the eyelids1.系得不牢; 处于非常危急的境地hang on by one's eyelids1.系得不牢; 处于非常危急的境地hang on by the eyelids1.系得不牢; 处于非常危急的境地not bat an eyelid1.没合眼2.保持冷静, 泰然自若not stir an eyelid1.连眼皮都不眨; 不为所动