A:Bob,did you see our supervisor?I need him to sign this paper.
鲍勃，你有看到我们的导师吗？这篇论文我需要他的签名。
B:He is in his office,but you'd better choose your words carefully while talking to him.
他在办公室里，但是你跟他说话的时候最好小心你的言辞。
A:What's up?
发什么什么事？
B:Nothing.But he is in a bad mood today.
没事。但是他今天心情不好。
A:Thanks for the warning.
谢谢你的提醒。
B:That's all right.
不客气。
