A thief knows a thief as a wolf knows a wolf. 贼了解贼,正如狼了解狼。 It is a foolish sheep that makes the wolf his confessor. 蠢羊才向狼忏悔。 Don’t trust a goat with the kitchen-garden,or a wolf with sheepfold. 不能请羊管菜园,不能请狼管羊圈。 The wolf has a winning game when the shepherds quarrel. 螳螂捕蝉,黄雀在后。 He that makes himself a sheep shall be eaten by the wolf. 甘心做绵羊,必然喂豺狼。 a wolf in sheep's clothing 披着羊皮的狼, 口蜜腹剑的人