1.dim的基本意思是通过减少照明等使事物的亮度和清晰度减弱,难以看清。
2.dim可用作不及物动词,意为“(灯光等)变暗淡”; 也可用作及物动词,意为“使(灯光等)变暗淡”或“使(眼睛)变模糊”。
3.dim接out可表示“变弱”,而dim up则指“逐渐增强”。

dim out (v.+adv.)
使…变弱 make (light) fainter
▲dim sth⇔out
◇ 用于be ～ed结构
The lights were dimmed out when the electricity supply was reduced.电力供应被削减后,灯光就变暗了。

dim up (v.+adv.)
逐渐增强 increase the brightness of (lighting) gradually
▲dim sth⇔up
During the first scene, which begins early in the morning, we'll dim the lights up to give the effect of growing daylight.在从凌晨开始的第一场,我们将慢慢增强灯光,以达到天变亮时的效果。

用作不及物动词
▲S+～(+A)
The lights in the theatre began to dim.剧场的灯光开始暗下来。
The lights of his car dimmed when another car was coming from the opposite direction.当另一辆车从对面开来时,他减弱了他的车灯光线强度。
用作及物动词
▲S+～+n./pron.
He dimmed the wall lamp in the room.他把房间壁灯拨暗。
◇ 用于be ～ed结构
The candle light is dimmed by sunlight.烛光在阳光下变弱。
Her eyes were dimmed with tears.她泪眼模糊。

dim, dark
参见dark条。

dilute还可用作形容词,意为“稀释的,冲淡的”。例如:
This is a dilute solution.这是一种稀释溶液。

［同义词］ adj. faint, unclear
［反义词］ adj. bright
［词源］＜古英语dimm(暗)

dim and distant
很久以前 long past
Once, in the dim and distant past,I live in here.我很久以前在这里住过。

用作定语
▲～+n.
 He sat in a dim corner.他坐在一个黑暗的角落里。
I have a dim recollection of it.我依稀记得这事。
用作表语
▲S+be+～
Prospects for any early settlement of the dispute are dim.早日解决争端的前景并不乐观。
The outline of the mountain in the distance is dim.远处山脉的轮廓隐隐约约。
The old man's eyesight was dim.那位老人的视力很差。
▲S+be+～+prep.-phrase
 Some people are rather dim about the purposes of their lives.有些人稀里糊涂,不知他们生活的目的是什么。
▲S+be+～+for sb+to-v
 The light is too dim for me to read easily.光线太暗,我很难阅读。

dim, dark
参见dark条。