in deep water(s)陷入困境 (= into deep water(s))
in hot water遇到麻烦；处于困境 (= into hot water)
like water大量地；无节制地The wine flowed like water.把酒像水一样地大量喝下去。
make water小便 (= pass water)
hold water滴水不漏；合情合理Your story just doesn't hold water.你说的不合情理。
throw cold water泼冷水
water on the brain脑部水肿
water on the knee膝部水肿