watch

look, see, watch, observe, witness

这些动词均有“看”之意。
look: 侧重“看”的动作。
see: 指看见。
watch: 指用眼睛跟随某物，以便对每一个变化、运动等进行观察。
observe: 侧重以客观的态度进行观察。
witness: 指当场看见，亲眼看见。

名词 watch:

1. a small portable timepiece
   同义词：ticker
2. a period of time (4 or 2 hours) during which some of a ship's crew are on duty
3. a purposeful surveillance to guard or observe
   同义词：vigil
4. the period during which someone (especially a guard) is on duty
5. a person employed to watch for something to happen
   同义词：lookout, lookout man, sentinel, sentry, spotter, scout, picket
6. the rite of staying awake for devotional purposes (especially on the eve of a religious festival)
   同义词：vigil

动词 watch:

1. look attentively
2. follow with the eyes or the mind
   同义词：observe, follow, watch over, keep an eye on
3. see or watch
   同义词：view, see, catch, take in
4. observe with attention
   同义词：look on
5. be vigilant, be on the lookout, be on one's guard, be careful
   同义词：look out, watch out
6. observe or determine by looking
7. find out, learn, or determine with certainty, usually by making an inquiry or other effort
   同义词：determine, check, find out, see, ascertain, learn

1. He felt that God was watching over him.
   他感觉到上帝保佑著他。
2. The police put a watch on the suspect's house.
   警方派人监视那个可疑人的住宅。
3. He watched to see what would happen.
   他观察着，看会发生什么情况。
4. Be on the watch for a sudden change in the patient's condition.
   要密切注意病人病情可能突然变化。
5. We sat there watching basketball.
   我们坐在那看篮球比赛。
6. The soldiers were keeping close watch over the enemies.
   士兵们严密注意着敌人的行动。

watch

v.（动词）
watched,watch.ing,watch.es
v.intr.（不及物动词）
To look or observe attentively or carefully; be closely observant:
注视：注意或仔细地看或观察；作仔细地观察：
例句：
watching for trail markers.
注意路标

To look and wait expectantly or in anticipation:
等待：抱有期望或有预见地看或等：
例句：
watch for an opportunity.
等待机会

To act as a spectator; look on:
旁观：作旁观者；旁观：
例句：
stood by the road and watched.
站在路边旁观

To stay awake at night while serving as a guard, sentinel, or watcher.
守卫：作为警卫、哨兵或观望哨而在晚上保持清醒
To stay alert as a devotional or religious exercise; keep vigil.
守夜：作为礼拜或宗教仪式而守夜；保持警戒
v.tr.（及物动词）
To look at steadily; observe carefully or continuously:
留神观察：注视；仔细或持久观察：
例句：
watch a parade.
看游行

To keep a watchful eye on; guard:
看守；保卫：
例句：
watched the prisoner all day.
整日看守犯人

To observe the course of mentally; keep up on or informed about:
对…关注：对思想过程保持关注；维持或掌握…的情况：
例句：
watch the price of gold.
对金价保持关注

To tend (a flock, for example).See Synonyms at tend 2
看护：照看（如一群家畜）参见 tend2
n.（名词）
The act or process of keeping awake or mentally alert, especially for the purpose of guarding.
警惕：保持清醒或精神上警惕之动作或过程，尤指为保卫的目的

The act of observing closely or the condition of being closely observed; surveillance.
密切注视：密切注视的行为或被密切注视的状态；监视
A period of close observation, often in order to discover something:
观察期：常为了发现某事的密切观察的时期：
例句：
a watch during the child`s illness.
孩子生病期间的观察

A person or group of people serving, especially at night, to guard or protect.
哨兵：尤指在晚上担任警戒或保护职责的个人或一队人
The post or period of duty of a guard, sentinel, or watcher.
放哨，站岗：警卫、哨兵或观望哨的责任岗位或时段
Any of the periods into which the night is divided; a part of the night.
更：夜晚被划分成几段之任一段；夜晚的一部分
Nautical
【航海】
Any of the periods of time into which the day aboard ship is divided and during which a part of the crew is assigned to duty.
值班时间：一天中被划分的要求部分船员在甲板上值班的那段时间
The members of a ship`s crew on duty during a specific watch.
值班者：在某一值班时间值班的船员
A chronometer on a ship.
经线仪：船上的精密仪记时计

A period of wakefulness, especially one observed as a religious vigil.
守夜：尤指一个作宗教守夜醒着的时间
A funeral wake.
守灵
A small portable timepiece, especially one worn on the wrist or carried in the pocket.
手表，怀表：小型便携的计时器，尤指戴在手腕上或放在口袋里的
A flock of nightingales.See Synonyms at flock
一群夜莺参见 flock

<常用词组>watch out
To be careful or on the alert; take care.
戒备：提防或戒备；注意
watch over
To be in charge of; superintend.
监督
<习惯用语>watch it
To be careful:
注意留神：
例句：
had to watch it when I stepped onto the ice.
当我走上冰面就不得不留神了

watch (one`s) step
To act or proceed with care and caution.
谨慎行事：小心谨慎地行动或前进
To behave as is demanded, required, or appropriate.
按要求或合适地表现
来源：
Middle English wacchen
中古英语 wacchen
from Old English wôccan [to watch, be awake] * see weg-
源自 古英语 wôccan [观察，清醒] *参见 weg-