He's always on the qui vive for a business opportunity.

他始终密切关注商机。

《牛津词典》

"El escusarse antes de ocasion es culparse "might be both the source and the model of Qui s'excuse s'accuse.

“El escusarse antes de ocasion es culparse”可能就同时是Qui s'excuse s'accuse的模型和源泉。

youdao

I was deployed to Qui Nhan, South Vietnam as a combat engineer and was assigned as depot engineer to oversee the oil and gasoline tanks at the compound.

我被调往Qui Nhan，在越南南部地区作为一名战地工程师，我被派到一个仓库里去看管那里的柴油或汽油坦克。

youdao

The Arnold Schoenberg Choir and the Vienna Concentus Musicus are conducted by Nikolaus Harnoncourt in the "Qui Tollis" and the "Sanctus" from that Mass.

NPR: Mozart's Job Hunting Dilemma

Two recent federal appellate court opinions have expanded the availability of qui tam suits under the False Claims Act (FCA), and created new incentives for abuse.

FORBES: Spot the Conflict of Interest? Federal Courts Can't in Expanding Qui Tam Suits

While his actual tomb has not been explored yet because of the difficulty in excavating the site, the vast pits containing the terracotta soldiers, cavalry, archers and officers can be viewed at the Emperor Qui Shi Huang Mausoleum Site Museum.

BBC: Living in: Great cities for history and ancient ruins