“时而”造句

她情绪多变，时而咄咄逼人，时而又显得温柔平和或乐于合作。
Her aggressive moods alternated with gentle or more co-operative states.

他的语气时而透着愤怒，时而流露出哀怨。
His tone was by turns angry and aggrieved.

他因不守时而受到处罚。
He was penalized for bad timekeeping.