【对话】A:I got stuck on this problem.A:在这个问题上我卡壳儿了。B:That's a touchy issue!B：这可是个棘手的问题。A:Don't count on me.A：别指望我了。

B:Cheer up, I think you can make it.B：振作点，我想你会想出方法解决它的。

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