repetition
反复 

例句：
We must avoid the repetition of a mistake.
我们必须避免犯同样的错误。

never say die
别灰心，别气馁

例句：
Never say die. Try again and you'll probably succeed.
别灰心，再试一次，你会成功的。

What are your plans for the weekend?
你周末计划做什么？ 
　
对话：
A: Jack, what are your plans for the weekend?
B: Well, it depends. I'll go fishing with my friends, if it clears. What about you?
A: I want to to on a picnic with my friends.
　
A：杰克，你周末想干什么？
B：嗯，看情况而定。如果天气好的话，我可能去钓鱼。你呢？
A：我想和朋友们去野餐。