It's a piece of cake.


[rm=300,2]http://english.chinaschool.net/daily/rm/r2_2.rm[/rm]

A: Jerry, are you taking economics this term?
杰瑞，你这学期修经济学吗？
B: Yes, I have Dr. Jones as my instructor.
是的，琼斯博士是我的指导老师。
A: How is he as lecturer?
他课讲得好吗？
B: He's O.K., but a little boring.
还不错，不过有一点枯燥。
A: How are his exams?
他的考试怎样？
B: They're a piece of cake.
都很简单。