You completed the most wanted side mission.

你完成了最高通缉任务。

youdao

He is in charge of the civilian side of the UN mission.

他在联合国使团中负责平民方面的事务。

《柯林斯英汉双解大词典》

I must forget these side issues and remember my mission.

我必须忘记这些次要问题，记住我的使命。

《柯林斯英汉双解大词典》

On the far side of the Moon, out of communication with mission controllers, the Eagle moon lander separated from the Apollo command module.

VOA: standard.2009.07.16

And offering a special side mission like this as a pre-order bonus seems like a good deal.

FORBES: Connect

One side mission had me tracking down a group of color-coordinated escaped mutant animals living in a sewer, tempting them out with Pizza and killing them.

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Sir Alex Ferguson has made it his mission to make United the first side to successfully defend the Champions League title and they set about their old Premier League adversaries with relish from the first whistle.

BBC: Man Utd 1-0 Arsenal