Know something inside out 对某事了如指掌 Episode 200908 / 08 Sep 2020 Learn a useful expression to say that you know everything about a subject ...

亚力克斯真是自以为什么都懂，他在课堂上总是立刻就喊出问题的答案。 Don’t be a know-it-all – you don’t always get things right. 不要做一个自以为无所不知的人，你并不是事事都对。 Dad is such a know-it-all when it comes to directions – but despite his ...