weigh on someone's mind
A:I had an argument with my wife last week, and it's been weighing on my mind ever since.
A:自从上星期和夫人发生争执后，我的心情一直很沉重。B:You've not been talking with each other?
B：你们一直都没说话?
A:No. I don't know how the cold war will be over.
A:是的，我不知道该如何结束这场冷战。B:You may show initiative.
B：你可以主动点!