shark /ʃɑːk $ ʃɑːrk/ ●●○ noun [countableC] 1 HBFa large sea fish with several rows of very sharp teeth that is considered to be dangerous to humans 鲨(鱼) Sharks were circling around our boat. 鲨鱼在我们的小船周围游弋。
shark-infested waters (=waters where there are a lot of sharks) 大批鲨鱼出没的水域
→4 See picture of 见图 FOOD CHAIN →5 see picture at 见图 fish1 2 informalTRICK/DECEIVE someone who cheats other people out of money 诈骗(钱财)者pool/card shark (=someone who uses their skill at pool or cards to cheat other players out of money) 打落袋球/纸牌骗钱的人
→ loan shark