guard

• n. 守卫；警戒；护卫队；防护装置
• vi. 警惕
• vt. 保卫；监视
• n. (Guard)人名；(英)格尔德

词源同ward.

guard

guard: [15] Prehistoric West Germanic *warthōn produced English ward. It was borrowed into Vulgar Latin as *wardāre, and following the general phonetic trend by which Germanic initial w became g(u) in the Romance languages, it produced Italian guardare, Spanish guardar, and French garder. The noun derived from the latter, garde, gave English guard. Guardian [15], borrowed from Old French gardien, has a doublet in warden.
=> ward

guard (n.)

early 15c., "one who keeps watch, a body of soldiers," also "care, custody, guardianship," and the name of a part of a piece of armor, from Middle French garde "guardian, warden, keeper; watching, keeping, custody," from Old French garder "to keep, maintain, preserve, protect" (see guard (v.)). Abstract or collective sense of "a keeping, a custody" (as in bodyguard) also is from early 15c. Sword-play and fisticuffs sense is from 1590s; hence to be on guard (1640s) or off (one's) guard (1680s). As a football position, from 1889. Guard-rail attested from 1860, originally on railroad tracks and running beside the rail on the outside; the guide-rail running between the rails.

guard (v.)

mid-15c., from guard (n.) or from Old French garder "to keep watch over, guard, protect, maintain, preserve" (corresponding to Old North French warder, see gu-), from Frankish *wardon, from Proto-Germanic *wardon "to guard" (see ward (v.)). Italian guardare, Spanish guardar also are from Germanic. Related: Guarded; guarding.

来自柯林斯例句

2. Outside each door a guard sprang to attention as they approached.

当他们走近时，每扇门外都有一名卫兵肃身立正。

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3. A military guard was injured in the aborted coup.

一位哨兵在这次未遂政变中受伤。

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4. The guard eyeballed him pretty hard despite his pass.

虽然他有通行证，卫兵还是直勾勾地盯着他。

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5. The guard stopped his humming and turned his head sharply.

守卫停止了哼唱，猛地转过头。

来自柯林斯例句