The best time to read with your children is right before they go to bed. Read from a book of children's stories, or teach them some children's songs, or play some Chinese tapes from which they will learn without even realizing it.
最好的陪讀時刻應該是晚上臨睡前，與他共讀一段兒童故事畫，或教一些兒歌，或播放中文錄音帶伴隨入夢，久而久之，他的中文程度鐵定跟著他的年齡成長。