(一).(Would you) Let it go. 忘了吧。/放下吧。/别费心了。

原音重现：
A:I can't believe that she treated me that way.
真不敢相信她那么对待我。
B:Let it go. It was just a mistake.
忘了吧，这只是一个错误。
英英释义：
This is telling someone to stop thinking so much about something. It is like saying "Try to forget it."
美剧表达：
1.It's not too late to let it go and start over.
忘掉它重新开始还不晚。

(二).Go with the flow. 放平心态。/不去管它。/就那样吧。

原音重现：
A:How do you always stay so calm?
你怎么总是那么平静？
B:Go with the flow. It's unhealthy to get upset.
我只是随遇而安而已，生气对健康没好处。
英英释义：
This is a way of telling someone "Relax and don't be stressed." It is also a way of telling that person not to fight or get angry about small things.
美剧表达：
1.I'm just going with the flow.
我只是随波逐流罢了。