[弹冠相庆 / 彈冠相慶, tán guān xiāng qìngㄊㄢˊ ㄍㄨㄢ ㄒㄧㄤ ㄑㄧㄥˋ] lit. to flick dust off sb's cap (成语 saw); to celebrate an official appointment; to congratulate and celebrate (promotion, graduation etc)#110990
[はらう, harau] (v5u, vt) (1) to pay (e.g. money, a bill, one's taxes, etc.); (2) to brush; to wipe; to clear away; to dust off; to prune away branches; (3) to drive away (e.g. one's competitors); to sweep out; (P)#17795