guard，讀音是?[ɡɑ?(r)d]，有兩種詞性意義：
1. 名詞詞性的：n.保護；警衛；衛兵；保衛
2. 動詞詞性的：v.警衛；守衛；看守
例句：
Previously?he?had?been?a?night?guard?there,?and?before?that a?petrol?- pump attendant,?having?dropped?out of?college?.
大學退學後，獨立開設醫院之前，他曾做過加油站加油工、夜間保安。
Obliging,?the?man?removed?the?bags,?and?sure?enough, each one of them contained?nothing?but?dirt.?Reluctantly, the?guard?let?him?go.
那人順從地把口袋搬了出來。確實，口袋裏除了土以外，別無他特。哨兵很不情願地讓他通過了。
There?was?something?about?him?which?ought?to put?her?on?her?guard.
他身上有壹種氣息，她應當時刻提防。