同时 tóngshí HSK2 simultaneously Origin Definitions Defs Strokes Stroke Words Sentences Sents 与此同时 yǔcǐtóngshí meanwhile at the same time; meanwhile同时代 tóngshídài contemporary belonging to the same period; contemporary同时期 tóngshíqī at the same time occurring or existing during the same specific interval or stage of time