sardine
/sɑ:ˈdi:n; sɑr`din/ n
1 young pilchard or a similar fish, usu tinned in oil or tomato sauce 沙丁鱼（通常为罐装）.
2 (idm 习语) (packed, squashed, etc) like sardines (infml 口) pressed tightly together 拥挤
The ten of us were squashed together like sardines in the lift. 我们十个人在电梯里拥成一团.