“时而…时而…”
HSK 5
时而 + A，时而 + B
表示情况交替变化。
Examples
音乐时而快，时而慢。Yīnyuè shí ér kuài, shí ér màn.
The music is sometimes fast, sometimes slow.
他时而笑，时而哭。Tā shí ér xiào, shí ér kū.
He sometimes laughs, sometimes cries.
