1. Spread Oneself Too Thin = become involved in too many activities
参与太多活动了。
范例短文：
Although Teresa has always been an excellent student, her marks have been going down lately because she is spreading herself too thin. Besides spending a great deal of time in after-school sports, she got a part-time job as a clerk in a department store. It's only natural that her grades would suffer. She is becoming involved in so many activities that she cannot devote the time that it takes to excel in any one of them.
2. Go to Bat for Someone = help out and support someone
棒球是美国人喜欢的一种运动，去帮别人击棒球，表示去帮助别人。
范例对话：
A: Is it true that Don got into some trouble at work last week?
B: Yes, he did. He was reproached for not turning in his sales reports, but his secretary went to bat for him.
A: What was she able to do?
B: She helped him out a great deal by admitting that she had misplaced the reports that he gave her to be typed.
A: So, it was her fault, not his.
B: Right.
3. Duck Soup = easy, effortless
容易，不需付出什么努力，就像中国人说的小菜一碟。
范例对话：
A: Can you help me hook up my new stereo equipment? I'm having quite a bit of trouble with all these connections.
B: Sure. That's duck soup for me.
A: Well, with all your experience in electronics, I have no doubt that it will be very easy for you to do.
B: No problem. Glad to help out.

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