M-4：make a fool of 出某人的洋相
A:I feel very miserable.
A:我简直沮丧极了。
B:What has happened?
B:怎么了？
A:I made a fool of myself in the presence of my fellow-students.
A:我在全班同学面前出了洋相。
B:Oh, cheer up. Nobody will laugh at you.
B:没什么，高兴点，没人会笑你的。
