動詞 observe:

1. discover or determine the existence, presence, or fact of
   同義詞：detect, observe, find, discover, notice
2. make mention of
   同義詞：note, observe, mention, remark
3. observe with care or pay close attention to
   同義詞：note, take note, observe
4. watch attentively
   同義詞：observe
5. show respect towards
   同義詞：respect, honor, honour, abide by, observe
6. celebrate, as of holidays or rites
   同義詞：observe, celebrate, keep
7. follow with the eyes or the mind
   同義詞：watch, observe, follow, watch over, keep an eye on
8. observe correctly or closely
   同義詞：observe, keep, maintain
9. conform one's action or practice to
   同義詞：observe, keep

形容詞 observing:

1. quick to notice; showing quick and keen perception
   同義詞：observant

1. The police have been observing his movements.
   警方一直監(jiān)視著他的一舉一動。
2. One of a group of ancient Roman religious officials who foretold events by observing and interpreting signs and omens.
   (古羅馬)占卜官古羅馬宗教官員的一員，可通過觀察并解釋某些信號及預兆來預言事情
3. Observing our faults in others, is sometimes improper for our case. But the best receipt(best, I say, to work, and best to take) is the admonition of a friend.
   在別人身上觀察自己的錯誤有時與自己的情形不符。最好的藥方(最有效并且最易服用的)就是朋友的勸諫。
4. In the picture a man is seen observing a meter.
   你在圖中可以看見一個人在觀察儀表。
5. The act of watching or observing; observation.
   窺探，偵察觀看或觀察的動作; 觀察