suck /sʌk/ vt. & vi. 1. 吮吸，舐食：suck milk (drink) with a straw 用吸管吮奶(饮料)；suck in knowledge 吸收知识 2.用于短语动词 suck sb.(sth.) in/into 把某人（物）吞没：［考句］When trapped in drifting sands, do not struggle, or you will be sucked in deeper.陷入流沙后不能挣扎，否则会陷的更深。suck up 奉承：She’s always sucking up to the boss, telling him how wonderful he is.他总是奉承老板说他太好了。