- (of a light, colour, or illuminated object) not shining brightly or clearly（光线, 颜色, 发光体）黯淡的; 模糊的：
her face was softened by the dim light.
在黯淡的灯光下, 她脸部的线条变得柔和了。
- (of an object or shape) made difficult to see by darkness, shade, or distance（物体, 形状因黑暗、阴影或距离而）难以辨认的, 不清楚的：
a dim figure in the dark kitchen.
黑暗厨房中模糊的身影。
- (of a room or space) made difficult to see in by darkness（房间, 空间）昏暗的, 阴暗的：
long dim corridors.
昏暗的长廊。
- (of the eyes) not able to see clearly（眼睛）昏花的, 看不清楚的：
his eyes became dim.
他的视力开始模糊。
- (of a sound) indistinct or muffled（声音）微弱的; 低沉的：
the dim drone of their voices.
他们的微弱的嗡嗡声。
- (of prospects) not giving cause for hope or optimism（前景）黯淡的; 不乐观的：
their prospects for the future looked fairly dim.
他们的未来看起来不容乐观。
- not clearly recalled or formulated in the mind（记忆, 想法）不清晰的, 模糊的：
she had dim memories of that time
她对那时还有模糊的记忆
the matter was in the dim and distant past.
这件事发生在已经黯淡遥远的过去。
- informal stupid or slow to understand〈非正式〉愚蠢的; 迟钝的：
you're just incredibly dim.
你真是笨得让人难以置信。
- make or become less bright使得（或变得）黯淡, 使得（或变得）昏暗：
with obj. a smoky inferno that dimmed the sun一个让太阳的光辉也变得黯淡的烟雾滚滚的地狱
no obj. the lights dimmed and the curtains parted.灯光变暗, 幕帘打开。
- with obj. lower the beam of (a vehicle's headlights) to avoid dazzling oncoming drivers使（汽车前灯）减光（以免花了对面司机的眼睛）：
as adj. dimmed the car moved slowly, its headlights dimmed.汽车慢慢往前开, 前灯灯光减弱。
- make or become less intense or favourable使得（或变得）减弱; 使得（或变得）不利：
with obj. the difficulty in sleeping couldn't dim her happiness失眠也不能减少她的幸福
no obj. the company's prospects have dimmed.公司的前景已经变得黯淡。
- make or become less able to see clearly使得（或变得）视力模糊：
with obj. your sight is dimmed你的视力变弱了
no obj. his eyes dimmed.他的眼睛模糊了。
- make or become less clear in the mind（使）（在脑海中）变得模糊：
with obj. his win dimmed the memory of the booing he'd received.胜利淡化了他对曾受到别人嘘声的记忆。
take a dim view of
- regard with disapproval不赞成。