n. 光, 光亮, 灯, 日光, 发光体, 光源, 杰出人物, 火花, 眼光a. 轻的, 少量的, 轻微的, 轻快的, 轻浮的, 明亮的, 淡色的, 容易的vt. 点燃, 照亮vi. 点着, 变亮, 突降, 偶然碰到ad. 轻地【化】 光; 轻的; 浅色的【医】 光相关词组: expose sth to the light of day go out like light in a good light show sth on a good light in light in light of in the light of see the light of day see the light stand in one's own light light in the head make light of set light by sit light on light into light out light up light sth up in its true light be out like light bring sth to light by the light of nature come to light
一、表示“光线”“亮光”，一般为不可数名词；表示“在……亮光下”，可用介词 in 或 by。其区别是：用 in 通常只客观地表示“在……亮光下”，而用 by 则暗示“凭借亮光做……”之意。如：
They went out for a walk in the moonlight. 他们在月光下到外面散了步。
He worked by the light of the moon. 他在月光下工作（即凭借月光工作）。
The light is too weak to read by. 光线太暗不能看书。
二、表示“灯”，注意搭配：
The light is [goes] out. 灯熄了。
The light is [comes, goes] on. 灯亮了。
He turned [switched, put] on the light. 他打开灯。
He turned [switched, put] off the light. 他关掉灯。
单词：light的近义词、反义词、形近词辨析
pear/spear/spare/light/slight/cold/scold/wear/swear
记忆：
1. pear [ pZE ] n. 梨子, 梨树 Pears will do your lung good. 梨子对肺有好处。
2. spear [ spiE] n. 矛, 枪 The Indians killed the wolf with spears. 印第安人用矛杀死了狼。
3. spare [ spZE] adj.多余的, 剩下的, 备用的 v.节约, 节省, 分让 格言： Spare the rod and spoil the child.孩子不打不成器。
4. light [ lait ] adj. 轻的 The lorry had a light load. 这车装得不多。
5. slight [ slait ] adj. 轻微的, 微小的 I have a slight headache. 我头有点儿疼。
6. cold [ kEuld ] n. 寒冷 The stove keeps cold out of the room. 火炉使房间暖和。
7. scold [ skEuld] vt. 责骂, 申斥, 斥责 Tom was scolded for his naughty behaviour. 汤姆因其顽皮的行为而受到斥责。
8. wear [ wiE ] vt. 穿, 戴, 磨损, 用旧 Sometimes, time will wear one’s will away. 有时候时间能消磨一个人的意志。
9. swear [ swZE ] vi. 诅咒 n. 宣誓, 发誓 I swear I won’t let my family go hungry again. 我发誓不会让我的家人再挨饿。
另类阅读：
The boy spared some pears he knocked down with a light spear. Though the pears had just a slight scathe, his brother scolded him with cold words. Looking at his worn shoes, the boy swore not to help his brother again.
与单词：light 相关的例句或者名人名言
The light bulb was broken, so I lit some candles instead.
灯泡坏了,所以我点了些蜡烛。
When was the light bulb invented?
电灯泡是何时发明的？
Thomas Edison invented the light bulb over a hundred years ago.
爱迪生在一百多年前发明了电灯。
The green light allows you to go.
绿灯(表示)允许你通行。
The candle shed a faint light in the room.
房间里蜡烛发出微弱的光亮。
※Learning is the light that leads into everything lovely. 学识是照亮通往各种美好事物的道路的明灯.
※Hide not your light under a bushel. 不要把你的烛光藏在笆斗下。/ 勿过分谦虚，隐藏才能。
※HEALTH——A light heart lives long .( William Shakespeare , British dramatist )豁达者长寿。 (英国剧作家 莎士比亚. W.)
※You should,like a candle,burn yourself out to give light to others. 要象蜡烛一样燃烧自已,照亮别人.
