You may not be her first, her last, or her only.

你不是她的第一个男人，不是最后一个或者唯一一个。

youdao

Tigers fight to death only when a tigress is defending her young, or when a tiger is guarding a tigress from the attentions of other males.

只有当母老虎在保护自己的幼崽时，或者当公虎在保护母老虎不受其他雄性动物的注意时，它们才会殊死搏斗。

youdao

Family in growing numbers has only one child, therefore, parents oftentimes focus all their attentions on that child and exert much pressure on him or her.

只育有一个孩子的家庭越来越多，因此，父母往往把所有的注意力都放在那个孩子身上，对其施加很大的压力。

youdao

Jane says she does not use any preservative chemicals in her products, so they only last about two or three weeks.

VOA: special.2010.02.17

Why the interest rate clears-- it's a mysterious phenomenon, because it's a market phenomenon and each person only sees his or her own contribution to the market and not the whole market.

为什么这个利率能让市场出清...,这是个不可思议的市场现象,每个人只能看到自己在市场中的行为,而不了解整体市场情况

耶鲁公开课 - 金融市场课程节选

She explains that not only is her character seen or heard in just about every scene of the film, but also there was the original novel's worldwide legion of fans to consider.

VOA: standard.2010.01.08

Behold the power of buzz, an entrepreneur's greatest asset--sometimes, indeed, his or her only strength.

FORBES: Entrepreneur as Stunt Man

Each state delegation leader is provided with a special identification or pin number allowing only him or her to access the a special intranet site for delegates.

CNN: Online Roll Call debuts at Democratic National Convention

It was like trying to sell someone a Toyota when his or her brain will only accept a Mercedes Benz.

FORBES: Free Education Is A Meme Whose Time Has Come