严防

警惕

警戒

off your guard───不小心

honour guard───仪仗队

on your mark───各就各位（赛跑起步时的口令）

lower your guard───放松警惕

colour guard───彩色防护罩

honor guard───仪仗队；仪队兵

honour guards───仪仗队

on your hands───由你负责

on your marks───各就各位

pickpockets.───提防扒手。

Be on your guard, I conjure you.───警惕呀，我恳求你。

He's a sly old fox.───他是一个狡猾的老狐狸。

Still be on your guard as the final acts of the dark Ones play themselves out, and as we so often implore you, do not give in to fear.───请依旧保持警觉，因为黑暗势力在做最后的挣扎而依旧是出局的结局，并且作为我们这么经常的“恳求”你们，不要跌入“恐惧”中。

Take caution; some treasure chests have been used to seal away evil creatures, so be on your guard when you unlock your chests!───注意，某些宝箱已用于密封邪恶的生物，所以你们要谨守，当你打开你的胸膛！

So it really pushes you to watch the whole map and always be on your guard on almost every point of the map at all times.───这将强迫你注意整个地图并一直保持你的防御卫队随时检查每一个地图上的点。

You see this? This girl! Her name is Jane Eyre. Be on your guard against her. Avoid her company. Shut her out of your conversations.───你们都看见了吗？这个女孩，她叫JaneEyre。小心提防她，不要与她作伴，不能和她说话。

Greg showed me that there was no reason to always be on your guard - that sometimes people are just being friendly.───格雷格让我懂得了总是保持着戒备之心是毫无理由的，人往往是友善的。

He is the sort of person you take for granted , a nice bore, so reasonable and honest, there is no need to be on your guard against him.───他是一个值得信任的人：一个循规蹈矩，枯燥乏味的男人；有理智，又很诚实，毫无提防的必要。

You must be on your guard against the dog.

Whatever, it puts you on your guard.

Be on your guard, I conjure you.

You always have to be on your guard against pickpockets.

However, I must warn you to be on your guard and to approach the picture gallery with caution.

You must be on your guard.

Be on your guard against pickpockets.

Be on your guard when people flatter you.

Be on your guard against thieves.