Is he back already?

他就已经回来了？

youdao

He is already back in America, undercover, working another case.

他早已回到美国，秘密地开始另一桩案子。

youdao

He soon found out what lung specialists already know: an MRI scanner reveals how well a lung moves air, but it only works when the patient is lying on his back.

他很快发现意见研究肺的专家早发现的事：一个MRI(核磁共振成像)扫描仪能够反映肺部是如何呼吸空气的，但需要患者保持仰卧姿势。

youdao

At 26 he was the youngest player to reach 50 caps, he is already the country's most-capped back, and with 22 tries he needs three more scores to take that crown too.

BBC: Scotland's record breaker

And he is already itching to return to the ring to back up his claims.

BBC: David Haye intent on unifying heavyweight division

An ex who is successful at winning back the love of his life already knows what he needs to do without having to ask, he knows his past works against him so tries extra hard to overcome past history, and he backs up what he says with actions and real substance.

FORBES: If You're Changing Careers, You're Like The Bad Ex-Boyfriend Trying To Come Back