Are you sure he's not two-timing you?

你肯定他没有背着你另有所爱？

《牛津词典》

So, Barack Obama is two-timing us Brits again.

所以，奥巴马再一次两面三刀了。

youdao

"You'd be a lot more concerned about seeing a married friend who is two-timing than a cohabiting friend who is cheating on his girlfriend," Wilcox said.

Wilcox说，你要多注意些，你的已婚朋友出轨的概率是同居者的两倍。

youdao

The timing would put the two spacecraft in the correct orbit to meet in space.

VOA: special.2009.07.01

Now, that's not a huge number but, obviously, when you're hoping to beat the market by a point or two losing by 0.3% per year because of your market timing inability is a bad thing.

看起来这不是个巨大的数字,明显地,当你希望获得,高于市场水平一到两个百分点的回报率,却由于抓不住市场时机而每年亏个0.3%,就很糟糕了

耶鲁公开课 - 金融市场课程节选

Good timing,Silvio. February twelfth is the two hundredth anniversary of his birth.

VOA: special.2009.02.06

No other auto executive has ever attempted such a double backflip, and this two-timing stunt was Ghosn's idea.

FORBES: The Impatient Mr. Ghosn

Glaister played career woman Patricia, who was married to two-timing Max Farnham.

BBC: Actress Gabrielle swaps soaps

"Another Girlfriend, " from his self-titled third solo album, is typically smart and typically bummed-out a pretty country-rock ballad about a fling that can't happen, and with a depressive, two-timing narrator to boot.

NPR: Rhett Miller: A Sensitive Cad's Lament