Definition
To choose not to correct, argue about, or pursue something that someone says or does, even if it is wrong.
不加以矫正或予以理會。
Although I knew he was late, I let it go without saying anything further.
雖然我知道他遲到了，但我選擇不再多說什麼。
She said some untrue things, but I chose to let it pass, and didn't address them.
她說了一些不真實的話，但我選擇不予追究，也沒有提這件事。
He made a small error, but I didn't feel it was necessary to make a big deal out of it, so I let it pass.
他犯了一個小錯誤，但我覺得沒必要小題大做，所以就放過了。