1 [T] to push people or things into a small space 将…勉强挤进（细小的空间）: I managed to cram all my clothes into the bag but I couldn't close it. 我终于将所有衣服都塞进袋里，但却无法锁合袋口。We only spent two days in Rome but we managed to cram a lot of sightseeing in. 我们在罗马只逗留了两天，但还是游览了不少景点。

2 [I] to move, with a lot of other people, into a small space 挤进（狭小的空间）: He only had a small car but they all managed to cram in. 他的汽车很小，但他们全都挤了进去。

3 [I] to study very hard and learn a lot in a short time before an exam （考试前）赶紧温习: She's cramming for her exams. 她为应付考试而赶着温习。