1 [U] the ability to see 视力: He lost his sight in the war(= he became blind). 他在战争中丧失了视力。My grandmother has very poor sight. 我祖母视力很差。

2 -sighted (used to form compound adjectives 用于构成复合形容词) able to see in the way mentioned 有某种视力或视觉: a partially sighted child 半盲的儿童 ☞Look at long-sighted and short-sighted. 参看long-sighted及short-sighted。

3 [sing] the sight of sb/sth the act of seeing sb/sth 看见: I feel ill at the sight of blood. 我一看见血就觉得不舒服。

4 [U] a position where sb/sth can be seen 视野；视力所及处: They waited until the plane was in / within sightand then fired. 他们一直等到飞机进入视野范围内才开火。When we get over this hill the town should come into sight. 翻过这座山以后，那个镇就该在望了。She didn't let the child out of her sight. 她不让孩子离开自己的视线。

5 [C] something that you see 看到的东西；景象: The burned-out building was a terrible sight. 那座被烧毁的大厦真是不堪入目。

6 sights [pl] places of interest that are often visited by tourists 风景区；名胜: When you come to New York I'll show you the sights. 如果你到纽约来，我带你游览名胜。

7 a sight [sing] (informal 非正式) a person or thing that looks strange or amusing 样子古怪或令人发笑的人或物

8 [C] [usu.pl] the part of a gun that you look through in order to aim it （枪的）瞄准器