[推波助澜 / 推波助瀾, tuī bō zhù lánㄊㄨㄟ ㄅㄛ ㄓㄨˋ ㄌㄢˊ] to push the wave and add to the billows (成语 saw); to add momentum; to encourage sth to get bigger; to add fuel to the fire#25010
[はらんばんじょう, haranbanjou] (adj-na, adj-no, n) stormy and full of drama; many drastic events in the course of events; full of ups and downs; with many vicissitudes