A sea of people 人山人海

　　There's always a sea of people everywhere during the Spring Festival travel rush.

　　春运时节，不论在哪都是人山人海。

　　Packed 拥挤的，人多的

　　The train was so packed that I could hardly move.

　　火车上太挤了，我几乎都走不动。

　　Rammed (英式) 拥挤的，人多的

　　Every time when I go to a rammed place, I'll go out to change my mind.

　　每次到了一个人多的场所，我都会转身离开。

　　hardly breathing space 很拥挤

　　I was at the central bus station and there was hardly breathing space.

　　昨天我在中心车站，太挤了。