"the left guard was injured on the play"
"keep your guard up"
"he put an ice pack on the injury as a precaution"
"an insurance policy is a good safeguard"
"we let our guard down"
"he was on guard that night"
"guards must be good blockers"
"there would be men guarding the horses"
"guard my possessions while I'm away"
"Hold that position behind the trees!"
"Hold the bridge against the enemy's attacks"
"guard against becoming too friendly with the staff"
"guard against infection"
The main gate..was locked at night so that no guard was necessary.
出自： P. Bowles
Armoured cars with alert guards went by.
出自： R. Ellison
Sail it alone to the coastguard station and tell the guards to come and help us.
出自： E. Ardizzone
The talisman which..guards a house against the evil eye.
出自： L. Durrell
To his uncle's wife he said nothing, guarding his purpose from her.
出自： P. S. Buck
The entrance..was sealed off by a..gate guarded by heavily armed soldiers.
出自： A. MacLean
We must guard against such a situation.
Guard against mispronunciation when you learn a foreign language.
You must guard against catching a cold.
你一定要防止得感冒。 guard sb/oneself/sth against sth
Take this medicine regularly, it will guard you against a return of the illness.
He guarded himself against vice.
Wear a hat to guard your face against the sun.
We were guarded by sentries against surprise attack.
The wall guards the place from thieves.
This medicine will guard you from a cold.
The fence along the middle of the road is intended to guard vehicles from crashing into each other.
We shall have to be on our guard against making mistakes like that in the future.
误 All the prisoners are under a close guard.
正 All the prisoners are under close guard.
误 If we drop our guards, we shall be fooled.
正 If we drop our guard, we shall be fooled.
析 guard作“警戒”“警惕”解时,是不可数名词,前面不能加不定冠词,后面不能加 -s 。
误 They were caught without guard by the enemy.
正 They were caught off (their) guard by the enemy.
误 They did their best to keep with their guard.
正 They did their best to keep on their guard.
析 表示“没有警惕”“毫无准备”时,应该用off (one's) guard,而不是without guard; 相应地,表示“保持警惕”应该用on one's guard而非with guard。
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