In order not to hurt his feelings, I gave him a guarded answer.

为了不伤害他的感情，我给了他一个谨慎的答复。

The stranger gave me a guarded look.

那位陌生人提防地看了我一眼。

I hope you be more guarded.

我希望你能更谨慎一点。

Marines with rifles guarded them.

持步枪的海军陆战队士兵看守他们。

The prisoners were guarded by soldiers.

犯人由士兵看守。

You can't get in; the whole place is guarded.

你进不去，整个地区都戒备森严。

Gunmen guarded homes near the cemetery with shotguns.

枪手携带猎枪守卫着公墓附近的住宅。

You should be more guarded in what you say to reporters.

你对记者说话应更谨慎些。