/'krɒkədaɪl; `krɑkə,daɪl/
n
1 large river reptile with a hard skin, a long body and tail, and very big tapering jaws, that lives in hot parts of the world 鳄鱼. Cf 参看 alligator.
2 (Brit infml 口) long line of schoolchildren walking in pairs 两人一排成纵列行进的学童.
3 (idm 习语) `crocodile tears insincere sorrow 鳄鱼的眼泪（假悲伤）
*She shed crocodile tears (ie pretended to be sorry) when she dismissed him from his job. 她把他解雇时, 流出了鳄鱼的眼泪（假装难过）.

n

[Date: 1200-1300; Language: Old French;Origin: cocodrille, from Latin crocodilus, from Greek, 'lizard, crocodile', from kroke 'small stone' + drilos 'worm']
[C]
a large reptile with a long mouth and many sharp teeth that lives in lakes and rivers in hot wet parts of the world
→alligator
[U]
the skin of this animal, used for making things such as shoes
　a crocodile briefcase
[C]BrE
a long line of people, especially school children, walking in pairs
crocodile tears
if someone sheds crocodile tears, they seem sad, sorry, or upset, but they do not really feel this way
　They weep crocodile tears for the poor, but are basically happy with things as they are.