时而 shí'ér adverb ① (表重复发生) now and then ▸ 时而外出购物 go shopping from time to time ▸ 天空时而飘过几朵薄薄的白云。 Every now and then fleecy clouds floated across the sky. ② (表交替发生) now … now … ▸ 时而好,时而坏 be good one moment and bad the next ▸ 时而晴天,时而下雨 fine one moment, raining the next |