一 ㄧ yī 帆 ㄈㄢ fān 风 ㄈㄥ fēng 顺 ㄕㄨㄣ ˋ shùn 一 ㄧ yī 帆 ㄈㄢ fān 風 ㄈㄥ fēng 順 ㄕㄨㄣ ˋ shùn propitious wind throughout the journey (idiom) plain sailing to go smoothly have a nice trip!