out of sight, out of mind
眼不见，心不烦
A:I hear that Tom has got divorced, and I don't know how he is now.
A:我听说汤姆离婚了，不知道他现在怎么样?
B:Out of sight, out of mind.
B：眼不见，心不烦。
A:What do you mean?
A：你此话怎讲?
B:Don't you know they have had little affection for each other?
B：难道你不知道吗?他们夫妻感情一直不好。