词组	prey upon sb
释义	●ˈprey on sb (also ˈprey upon sb more formal) to treat sb who is weaker than you in an unfair or dishonest way in order to get sth or gain an advantage for yourself 欺压，掠夺（弱者）◆The thieves have been preying on elderly people living alone. 窃贼们一直在偷盗独居老人的财物。SYN exploit sb[v + prep] ●prey on sb’s ˈmindif a problem or a thought preys on your mind, you think and worry about it all the time （问题或想法）萦绕心头；使耿耿于怀；使忧心忡忡
随便看	bang sb/sth up (NAmE, informal) bang sth down bank bank on doing sth bank on sb/sth bank on sb/sth doing sth bank sth up (BrE) bank up bargain bargain for/on doing sth bargain for/on sb/sth doing sth bargain for/on sth bargain sth away (rare) barge barge in (on sb/sth) barge into sth (informal) bark bark sth out barricade barricade yourself/sb in barricade yourself/sb in/into/inside sth base base sth on sth base sth upon sth bash

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