简明英汉词典

on one's guard
adv.
警惕

现代英汉综合大辞典

guard
[^B:d]
n.

(1)

警卫[戒], (监狱)看守者

(2)

哨[卫]兵; 警卫; [the Guard ]英国等皇家禁卫军;【航海】护航舰

(3)

防护装置; (车的)挡泥板; (枪的)保险

(4)

(击剑, 拳击)防护姿式, 防护术

(5)

[英](=[美]conductor)列车员; (列车上的)制动手; (足, 篮球的)卫, 后卫
keep guard
实行警戒
the guard of honour
仪仗队
the advanced [rear] guard
前[后]卫
life guard
救生员
mud guard
挡泥板
Be on your guard against pickpockets.
谨防扒手。
The sentry is on guard.
那哨兵在担任警戒。

词性变化

guard
[^B:d]
vt.

(1)

警[保, 守]卫

(2)

看守, 监视(犯人等)

(3)

谨慎使用(言词等)

(4)

给...加?ぷ爸? 对...进行校正检查

(5)

【医】对...配用矫正剂
guard one's life [reputation]
?ど黐名誉]
The warehouse is guarded.
库房有人看守。
Guard your tongue.
当心, 不可乱说。

guard
[^B:d]
vi.

(1)

提[预]防 (against)

(2)

警卫, 看守

(3)

(击剑时)取守势
guard against disease [accidents, bad habits, suspicion]
预防疾病[意外, 恶习, 嫌疑]

继承用法

guard-boat
n.
巡逻艇

guard-book
n.
(钉线上衬有厚线条条的)剪贴[相片]簿

guardhouse
[5^B:dhaJs]
n.
警卫室; 禁闭室

guard-officer
n.
【军】联络官

guard-rail
n.
铁道护轨, (楼梯的)栏杆

guardroom
[5^B:dru:m, 5^B:drJm]
n.

(1)

卫兵[警卫]室

(2)

禁闭室

guarder
[5^B:dE]
n.

guardless
adj.

习惯用语

be off one's guard

(1)

疏忽, 大意, 不提防

(2)

不值班

catch sb. off guard
乘某人不备; 使人措手不及

catch sb. off his guard
乘某人不备; 使人措手不及

come off guard
【军】离防; 下防

lower one's guard
丧失警惕

drop one's guard
丧失警惕

get past sb.'s guard
冲破某人的防御(指拳击; 击剑等)

keep guard
站岗, 放哨

stand guard
站岗, 放哨

mount guard
站岗, 放哨

keep sb. under close guard
把某人置于严密监视下

off guard
不当班; 不备, 疏忽

old guard

(1)

某一事业(或主张)的老一辈的维护者

(2)

守旧派, 保守分子

on guard
值[当]班, 警戒, 准备防御

on one's guard
警戒[提防]着

put sb. off his guard
使某人不提防

throw sb. off his guard
使某人不提防

set sb. on guard
使某人提防

put sb. on guard
使某人提防

put sb. on his guard
使某人提防

set sb. on his guard
使某人提防

relieve guard
接[换]岗

change guard
接[换]岗

row the guard
用小船在军舰周围巡逻

run the guard
偷过哨兵线

stand guard over
看守

stand on one's guard
警戒, 提防

stand upon one's guard
警戒, 提防

be on one's guard
警戒, 提防

be upon one's guard
警戒, 提防

lie on one's guard
警戒, 提防

lie upon one's guard
警戒, 提防

turn out the guard

(1)

集合警卫人员

(2)

[口令]警卫队持枪列队

guard against
提防, 预防

特殊用法

adjustable guard
可调防护挡板

air-antitank guard
空中防坦克监视哨

anti splash guard
挡泥板, 挡溅板; 切削液挡板

antispray guard (plate)
防油喷溅护板

aqueous weir guard
水相堰板

ashpan axle guard
灰盘车轴护挡

axle box guard
轴箱导板

back side guard
轧机出口侧的推床导板

balance guard
摆轮护板

balanced guard
平衡卫板, 平衡防护装置, 吊挂卫板

bell guard
护手盘

brush lipless guard
(割草机切割器的)平顶短护刃器

burner guard
护焰罩

canopy guard
护顶

channel-section-bar guard
(带锯的)安全导槽

chip guard
切屑防护器, 防屑罩

coast guard
缉私人员; 海岸警卫队

connecting wires guard
引线护板

corona guard
电晕?ど璞?

cutter guard
切割器护刃器

derailment guard
出轨防止器

dirt guardkey
防尘罩, 挡泥板

dust guard
防尘罩, 挡泥板

elbow guard
护肘

eye guard
护目罩, 眼罩

face guard
防护面具

flash guard
防弧装置, 闪络防止器

grain (saving) guard
禾谷扶倒器, 扶茎器, 扶穗器, 果穗导板

grit guard
抛?ぐ?

heat guard
绝热体

heavy-duty guard
加强护刃器, 重型护刃器

ice guard
破冰器; 破冰船; 冰挡

implosion guard
(电视接收机)防爆玻璃

journal packing guard
轴箱油垫挡

knee guard
护膝

life guard

(1)

救生员

(2)

(机车)排障器

lifting guard
扶倒器、 扶茎器, 扶穗器, 果穗导板; [采矿]井口防护栏

lightning guard
避雷针, 避雷器, 雷电?て?

lipless guard
(切割器的)无唇护刃器, 无上舌护刃器, 平顶护刃器

magnetic guard
磁性钢丝面罩

main rod guard
主杆护架

metatarsal guard
脚面罩(防止重物压脚)

movable side guards
推床的活动导板

pedal guard
踏板安全装置

pick-up guard
扶倒器, 扶茎器, 扶穗器

pick up guard
扶倒器, 扶茎器, 扶穗器

prevention guard
防火队, 护林员

radiator guard
散热器罩, 水箱罩

radio guard
【讯】无线电警戒

safe(ty) guard

(1)

防护装置

(2)

安全板, 安全罩

(3)

安全吊环

(4)

保险装置

saw guard
锯罩

shoulder guard
防护板, 护肩甲板, 防肩

spring guard
弹簧护板

spur guard
保险销

surge guard
振荡闭锁装置

weed guard
(割草机的)平顶护刃器

wheel guard

(1)

车轮挡板, 护轮板

(2)

轮罩

(3)

汽车挡泥板

winch guard
绞车护板

window dust guard
窗口挡尘板

参考词汇
defend    

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