It's because I have a bad cold.

那是因为我患了重感冒。

May I please speak to Ling Ling?

我可以和玲玲讲话吗？

Sorry, I have to say good-bye.

我不得不说再见了。

Have you been here to see Dr. Tyler before?

你曾来过泰勒医务所看过医生吗？

Yes, what can I do for you?

是的，我能为您效劳吗？

I need your help badly. My car can't start. Can you send somebody over?

我急需你们的帮助。我的车启动不了，能派人来修吗？