guard

[gɑ:d]

v.看守, 守卫, 保卫, 提防
n.警戒, 哨兵, 防护装置, 警卫

例句与用法：

He bribed his way past the guard and escaped.

他买通看守而逃之夭夭了。

Be on guard when somebody flatters you.

有人奉承你时，一定要当心。

There are soldiers on guard at the gate.

大门口有士兵在守卫。

The dog guarded the house against strangers.

狗守卫着房屋，不让陌生人进去。

词形变化：

名词: guarder | 动词过去式: guarded | 动词过去分词: guarded | 动词现在分词: guarding | 动词第三人称单数: guards |

详细释义：

n.

1. 哨兵; 卫兵; 警备员; 看守员[C]

A guard was placed at the door.

门口设了一个警卫。

2. 护卫队[the S][G]

A heavy guard remained around the building.

建筑物周围一直有重兵守卫。

3. (常大写)(英国等的)皇家禁卫军[the P][G]

4. 守卫; 警戒; 看守[U]

A policeman kept guard over the prisoners.

一名警察看守囚犯。

5. 防护物[C]

6. 【英】(火车的)列车长[C]

7. (拳击等的)防御姿势, 防守[U]

vt.

1. 保卫; 守卫; 警卫[(+against/from)]

A helmet guards your head against/from injuries.

头盔可以保护你的头部免受伤害。

A dog guarded his house.

一只狗守卫着他的房子。

2. 看守; 监视

3. 控制; 使(言词等)谨慎

You must guard your tongue carefully.

你说话必须小心谨慎。

vi.

1. 防范; 警惕[(+against)]

You should wash your hands before eating, to guard against disease.

你饭前应洗手, 以防生病。

2. 守卫; 看守

短语词组：

off (one's) guard

1. 不提防

Seeing the opponent was off guard, the boxer landed a knockout punch.

乘对手不提防, 那拳击手一下子把他击倒了。

on (one's) guard

1. 提防

Be on guard against those who are jealous of your success.

要提防那些嫉妒你的成功的人。