B-46:button one's lip 闭嘴不言语
A:There's nothing you can do. She won't talk to me any longer.
A：你帮不上忙的，她现在不理我了。
B:I know when to button my lips. but at a time when you are bogged down in trouble, I have the right to ask where the shoe pinches.
B:我知道什么时候应该保持沉默，但是当你陷入 困境的时候我有权利知道到底问题出在哪儿。
A:I told you that she won't talk to me. That's where the shoe pinches. But what can you do about it?
A:我跟你说了她不理我了，这就是问题所在，你能干什么呢？
B:Put me in the picture and I may help you to sort things out.
B：把具体情况告诉我，看看我能不能帮你想个办法。
