Keep going like that ─ you're doing fine.

　　就這樣做下去——你做得蠻不錯(cuò)嘛。

　　She's a changed woman since she got that job.

　　她自從得到了那份工作，變得判若兩人。

　　That must be her now.

　　這會(huì)兒一定是她了。

　　It's the fifth time that I've been to America.

　　這是我第五次去美國了。

　　It is crucial that we get this right.

　　我們把這個(gè)問題弄明白是極其重要的。