precaution

預防措施、防範措施常用複數

We took every precaution to keep the data safe.

我們採取了一切預防措施來保護資料安全。

謹慎、小心、戒備

He locked the door as a precaution before leaving.

他離開前謹慎地把門鎖上。

以防萬一、以資預防

Bring an umbrella as a precaution, just in case.

帶把傘以防萬一。