1 [sing] the middle (of sth) the part, point or position that is at about the same distance from the two ends or sides of sth 中间；中部；中央: the white line in the middle of the road 马路中央的白线Here's a photo of me with my two brothers. I'm the one in the middle. 这是我跟两个兄弟的合影。中间那个就是我。 ☞ Centre and middle are often very similar in meaning, but centre is used when you mean the exact middle of something How do you find the centre of a circle? There was a large table in the middle of the room. The bee stung me right in the middle of my back. When you are talking about a period of time only middle may be used in the middle of the night the middle of July centre和middle通常意思很相近，但centre用于表示正中心：How do you find the centre of a circle?如何找出圆心？·There was a large table in the middle of the room.房间的中央有一张大桌子。·The bee stung me right in the middle of my back.蜜蜂在我背中央蜇了一口。 用于一段时间时，只能用middle：in the middle of the night在半夜 · the middle of July七月中旬

2 [C] (informal 非正式) your waist 腰部: I want to lose weight around my middle. 我想要让腰部苗条些。