Cigarettes are my only vice.

我唯一的罪过就是爱抽烟。

《牛津词典》

My only worry is that...

唯一令我担忧的是…

《牛津词典》

Most weeks, Sunday is my only day off.

大多数时候，我只有星期天才休息。

《牛津词典》

One day his mother said When Pierre climbed out of bed Good morning,darling boy, you are my only joy.

VOA: special.2009.10.05

But my only criterion is if you talk in your sleep, now that's not allowed because talking is not allowed.

我唯一的要求就是别说梦话,因为我的课上不准说话的

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So, so I guess my only issue with the internet is that people are constantly eating junk food all the time,

所以我想我对互联网唯一的质疑就是，人们在不停地吃着垃圾食品。

关于网络世界 - SpeakingMax英语口语达人

My only excuse is that I knew no better, and never heard any alternatives.

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It's become sort of a central philanthropic interest of mine--by no means my only interest.

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"I use buses often as they are my only form of transport, " she said.

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