The dog has worms.
这条狗体内有寄生虫。
The dog has fleas.
这条狗有跳蚤。
Just as John has changed, so has his wife.
正如约翰已经变了，他妻子也变了。
It has now become evident to us that a mistake has been made.
我们已经清楚出了差错。
