<正>一、at the same time; all the time; at times【例句对比】1. We both arrived here at the same time.2. What are you talking about all the time?3. I saw her in the street at times.【启发点拨】at the same time表示“同时”。all the time表示“一直;总是”。at times表示“偶尔;不时”。