Could he not, just as a precaution, move to a place of safety?

难道他不能就当是一种防范搬到一个安全的地方去吗？

《柯林斯英汉双解大词典》

I'll keep the letter as a precaution.

我要保存这封信，以防万一。

《牛津词典》

Swimming and fishing were banned as a precaution.

当时作为预防措施，游泳和钓鱼都被禁止了。

youdao

medication as a precaution, so they would have eassy access to it if they needed to take it.

VOA: standard.2010.03.22

He says it is an all-out shutdown. Regularly scheduled tours of South Korea's side of the heavily armed inter-Korean border were abruptly curtailed Thursday after the North's announcement came out, as a safety precaution.

VOA: standard.2010.05.27

Staff raised the alarm and got blankets and a fire extinguisher as a precaution.

BBC: Wrexham job centre fire threat: Stuart Jones jailed

Girardi said Hafner would have an MRI and get a couple days off as a precaution.

WSJ: Granderson goes hitless in return to Yankees

Military officials will not disclose the actual route of the flight as a precaution.

CNN: U.S. may sedate Afghan detainees during flights