She sometimes asks if I want a back rub.

她有时问我是否想要一次背部按摩。

《柯林斯英汉双解大词典》

That won't stop inventors from dreaming up new ways to fly and trying to persuade investors to back their sometimes outrageous schemes.

这并不能阻止发明家们想出新的飞行方式，并试图说服投资者支持他们有时很荒唐的计划。

youdao

He sees that warm water flows back eastwards when winds that normally blow westwards weaken, or sometimes the other way round.

他发现，当通常向西吹的风减弱时，温暖的海水就会向东流回，有时反之亦然。

youdao

Sometimes, when I am very productive in my job, my employer gives me a pat on the back.

VOA: special.2010.01.24

You know sometimes when you're losing and you redouble and you keep hoping to win back what you've lost?

你们知道,有时你输了就会把赌注加倍,并且总想把失去的都赢回来

耶鲁公开课 - 金融市场课程节选

I go back and forth. Sometimes I agree with that.

我的看法摇摆不定。有时候我会同意这种看法。

介绍好朋友 - SpeakingMax英语口语达人

"In the clubs you'd hear them playing the whole album, sometimes back to back, " says DJ Tim Westwood, speaking to BBC 1Xtra.

BBC: NEWS | UK | Magazine | Thrills and spills and record breaks

And I think sometimes back home there is a desire to superimpose whatever ideological arguments are taking place back home on to a very complicated situation in Europe.

WHITEHOUSE: President Obama holds a Press Conference at the G20 Summit

The pervading old-boy's network rewards longevity, and political relationships sometimes go back several generations.

CNN: ASIANOW - TIME Asia