我是不是挑了個(gè)不恰當(dāng)?shù)臅r(shí)間跟你談話？
Have I picked a bad time to talk to you?
通常情況下，我是不會(huì)看到這封信的。
Normally, the letter would not have come to my notice.
我是外國(guó)人這事實(shí)對(duì)我十分不利。
The fact that I was a foreigner was a big disadvantage.
我是愛莫能助啊。
It is not within my power to help you.
我是老主顧，他們都認(rèn)識(shí)我。
They know me ─ I'm a regular customer.
他談話中使用的行話對(duì)我是一團(tuán)迷霧。
The jargon in his talk was opaque to me.