Chinese has tens of thousands of chengyu (pithy four-character sayings), it's hard to tell which one she used but maybe this: http://blog.tutorming.com/mandari

Chinese has tens of thousands of chengyu (pithy four-character sayings), it's hard to tell which one she used but maybe this: http://blog.tutorming.com/mandarin-chinese-learning-tips/chengyu-zhi-nan-er-tui-meaning-idiom http://blog.tutorming.com/mandarin-chinese-learning-tips/che...