I refrained from making the same mistakes.
我避免犯同样的错误。
Despite the strong urge, I refrained from striking back.
虽然有这种强烈的冲动,可是我克制了自己没有反击。
I refrained from writing that letter because of what you told me.
因为你跟我说了,所以我没有写那封信。
I refrained from writing that letter because of what you told me.
因为你跟我说了,所以我没有写那封信。
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