bank on (或upon)1.■[美国口语]依靠，依赖；信赖；指望；把希望建筑在…上：You can bank on him to hand you a reasonable bill for your services.你可以相信他会给你合理的服务费。Don't bank on your friends to help you out of trouble.不要指望你的朋友来帮你摆脱困境。2.■发现…可靠：This brake can't be banked on if we have to pull up suddenly.如果我们必须紧急停车，这个刹车是不可靠的。