observe
/əbˈzɜːv/verb
with obj.
1
- notice or perceive (something) and register it as being significant注意到, 察觉到; 观察到：
with clause young people observe that decisions are made by others.年轻人注意到决定是由他人作出的。
1.1
- watch (someone or something) carefully and attentively仔细观察; 监视：
Rob stood in the hallway, from where he could observe the happenings on the street.
罗布站在门廊里, 从那儿他可以观察到街上发生的事。
1.2
- take note of or detect (something) in the course of a scientific study（在科学研究中）观测; 观察; 发现：
the behaviour observed in groups of chimpanzees.
在成群的黑猩猩身上观察到的行为。
1.3
- reporting verb make a remark or comment评论, 说：
with direct speech 'It's chilly,' she observed“真冷啊！”她说
with clause a stockbroker once observed that dealers live and work in hell.一位股票经纪人曾评论说证券经纪人简直是在地狱里生活和工作。
2
- fulfil or comply with (a social, legal, ethical, or religious obligation)履行（社会、法律、伦理或宗教义务）; 遵守, 遵奉, 遵从：
a tribunal must observe the principles of natural justice.
法庭必须遵奉自然公正的原则。
2.1
- （一般作be observed）maintain (silence) in compliance with a rule or custom, or temporarily as a mark of respect静默（以示尊敬）; 默哀：
a minute's silence will be observed.
默哀一分钟。
2.2
- perform or take part in (a rite or ceremony)举行, 参加（仪式）：
relations gather to observe the funeral rites.
亲戚们聚在一起参加葬礼。
2.3
- celebrate or acknowledge (an anniversary)庆祝（周年纪念）, 纪念（周年）：
many Delawareans last week observed the one-year anniversary of the flood.
上周很多特拉华州人纪念了洪灾发生一周年。
词源
late Middle English (in sense 2)： from Old French observer, from Latin observare 'to watch', from ob- 'towards' + servare 'attend to, look at'.