Anytime. It's really easy, but, like anything,
没问题。实在很容易 但是 和其它东西一样
I turned to look at the children, but there weren't any in sight: they had all run away! The man laughed when he realized what had happened.
我转过头去看那些孩子,但一个也不见,全都跑了!当那个人明白了发生的事情时,笑了起来。