to go without saying
1. 不待言
It goes without saying that he is a very sincere person.
不用说, 他是一位非常诚实的人。
习惯用语As the saying is [goes]1.俗话说; 常言道It goes without saying that ...1.不言而喻hardsaying1.难以理解的话2.难于做到的格言there is no saying1.很难说, 没法知道Saying and doing are two things.1.[谚]说与做是两回事。