crab
/kræb; kræb/ n
1
(a) [C] ten-legged shellfish 蟹. =>illus at shellfish 见shellfish之插图.
(b) [U] its flesh as food 蟹肉
dressed crab, ie prepared for eating 加作料的蟹肉.
2 the Crab [sing]
the fourth sign of the zodiac; Cancer 巨蟹宫（黄道第四宫）; 巨蟹星座.
3 [C] (infml 口) = crab-louse.
4 (idm 习语) catch a crab => catch1.
crab / kræb; kræb/ v (-bb-) [I, Ipr]
~ (about sth) (infml derog 口, 贬) complain; grumble; criticize 抱怨; 挑剔; 批评
The boss is always crabbing about my work. 老板对我的工作总是横挑鼻子竖挑眼.