迷你对话：
A: You seem to be very hesitant about doing things.
你似乎有事有点犹豫不决。
B: I don't know why I cannot take a step forward.
我不知道为何我做事就是没有进展。
A: You are meeting trouble halfway, I guess.
我猜你是杞人忧天。
B: Many things are troubling me. I don't know whether I should come or go.
我还有很多烦心事，我是进退两难。
A: That's where the shoe pinches.
这就是症结所在。
