介词「对」可以表示人和人、人和事物、事物和事物之间的对待关系。结构为「对+对象+形容词/动词」，表示对某人/事物的态度、影响或看法。
The preposition 对 expresses how one person/thing relates to, treats, or affects another. Structure: 对 + target + adj/verb.
主语 + 对 + 人/事物 + 形容词/动词
Subject + 对 + Person/Thing + Adj/Verb → "Subject is [adj] towards / [verb] to [person/thing]"
① 对 + 人 + 态度
② 对 + 事物 + 影响
③ 对 + 人 + 说/告诉
① 「对」+ 人 + 形容词 — 表示对某人的态度
妈妈对我们很好，她帮助我们洗鸡蛋和西瓜。
Māma duì wǒmen hěn hǎo, tā bāngzhù wǒmen xǐ jīdàn hé xīguā.
Mum is very good to us — she helps us wash the eggs and watermelon.
我哥哥对我很关心，总是帮助我做功课。
Wǒ gēge duì wǒ hěn guānxīn, zǒngshì bāngzhù wǒ zuò gōngkè.
My older brother cares a lot about me and always helps me with homework.
老师对同学们非常耐心，这一课讲得很清楚。
Lǎoshī duì tóngxuémen fēicháng nàixīn, zhè yī kè jiǎng de hěn qīngchǔ.
The teacher is very patient towards the students — this lesson was explained very clearly.
② 「对」+ 事物 + 形容词 — 表示对某事物的影响或关系
一直看手机对眼睛不好。
Yīzhí kàn shǒujī duì yǎnjīng bù hǎo.
Constantly looking at your phone is bad for your eyes.
上课玩手机对学习有影响。
Shàngkè wán shǒujī duì xuéxí yǒu yǐngxiǎng.
Playing on your phone during class has a negative impact on your studies.
吃西瓜和鸡蛋对身体很有好处。
Chī xīguā hé jīdàn duì shēntǐ hěn yǒu hǎochù.
Eating watermelon and eggs is very good for your health.
③ 「对」+ 人 + 说/告诉/问 — 表示"向某人说/告诉/问"
主语 + 对 + 人 + 说/告诉/问 + 内容
Subject + 对 + Person + 说/告诉 + Content → "Subject said/told [person]…"
妈妈对我说："别玩手机了！"
Māma duì wǒ shuō: "Bié wán shǒujī le!"
Mum said to me: "Stop playing on your phone!"
哥哥对小云说，他正在帮助妈妈洗鸡蛋。
Gēge duì Xiǎo Yún shuō, tā zhèngzài bāngzhù māma xǐ jīdàn.
Older brother said to Xiao Yun that he was helping mum wash the eggs.
📝 「对…说」vs「告诉」：
「妈妈对我说……」强调说话的对象（mum said to me…）
「妈妈告诉我……」强调传递信息（mum told me…）
两者可互换，但语感略有不同。
「对」的用法总览：
人→人 态度
妈妈对我们很好。
duì wǒmen hěn hǎo
Mum is very good to us.
事→事 影响
这对学习有影响。
duì xuéxí yǒu yǐngxiǎng
This has an impact on studying.
人→事 益处
西瓜对身体好。
duì shēntǐ hǎo
Watermelon is good for the body.
向某人说
他对我说……
duì wǒ shuō
He said to me…
| 用法 | 例句 | 英文 |
|---|
| 态度（人→人） | 他对朋友很好。 | He is very good to his friends. |
| 影响（物→物） | 手机对眼睛不好。 | Phones are bad for the eyes. |
| 益处（物→人） | 鸡蛋对身体有好处。 | Eggs are good for the body. |
| 向…说 | 妈妈对哥哥说别玩手机了。 | Mum said to brother, "Stop playing on your phone." |