"Never mind: an observer is an observer; and genuine observation is not so common. Men see and hear with their prejudices and not their senses. Now we are going to those gaming-tables. At first, of course, you will play; but, as soon as ever you are cleaned out, observe! Let nothing escape that woman's eye of yours: and so we'll get something for our money."英文原著 · 《A Woman-Hater》
An observer, and Rastignac instantly became an observer, could read the whole history, the character and customs of caste, in the phrase, in the tones of her voice, in her glance and bearing. He caught a glimpse of the iron hand beneath the velvet glove-- the personality, the egoism beneath the manner, the wood beneath the varnish. In short, he heard that unmistakable I THE KING that issues from the plumed canopy of the throne, and finds its last echo under the crest of the simplest gentleman.英文原著 · 《Father Goriot》
William, meanwhile, made his way toward the ``residence section'' of the town, and presently --with the passage of time found himself eased of his annoyance. He walked in his own manner, using his shoulders to emphasize an effect of carelessness which he wished to produce upon observers. For his consciousness of observers was abnormal, since he had it whether any one was looking at him or not, and it reached a crucial stage whenever he perceived persons of his own age, but of opposite sex, approaching.英文原著 · 《Seventeen》
After he has been talking to me I feel as if I hadn't got a speck of dust left in my mind anywhere. It's a most delightful feeling. He says he's an observer; and I am sure there is plenty over here to observe. But I have told you enough for to-day. I don't know how much longer I shall stay here; I am getting on so fast that it sometimes seems as if I shouldn't need all the time I have laid out. I suppose your cold weather has promptly begun, as usual; it sometimes makes me envy you. The fall weather here is very dull and damp, and I feel very much as if I should like to be braced up.英文原著 · 《A Bundle of Letters》
Aunt Hannah used her kitchen or her sitting room for a schoolroom, as best suited her convenience. We were delighted observers of her culinary operations and other employments. If a baby's head nodded, a little bed was made for it on a soft "comforter" in the corner, where it had its nap out undisturbed. But this did not often happen; there were so many interesting things going on that we seldom became sleepy.英文原著 · 《A New England Girlhood》
"A passion of this kind is inscrutable for any observer, even for a man who prides himself, as I do, on a certain expertness. It is everywhere unfathomable; the dark depths in it are darker than in any other mystery; the colors confused even in the highest lights.英文原著 · 《A Prince of Bohemia》
You know, I was there more as a friend and an observer than anything.美剧 · 《Modern Family》
Many observers view this as a purely political move designed to punish liberal sanctuary cities like Chicago.美剧 · 《Shameless》
Yes. It's the apparent change in the frequency of a wave Caused by relative motion between the source of the wave and the observer.美剧 · 《The Big Bang Theory》