enough to后面加什么

　　Constant criticism is enough to demoralize anybody.

　　频繁的.批评足以使任何人意志消沉。

　　His moving speech was enough to carry the audience.

　　他感人的演讲足以赢得听众的支持。

　　I am old enough to remember the War, but only just.

　　我这个年龄足以记住那场战争，不过只是勉强记得。