食戟之喵
1. He caught me napping. 他发现了我打盹。 来自《简明英汉词典》2. He dozed off in the armchair. 他坐在扶手椅里打盹儿。 来自《现代汉英综合大词典》3. He was dozing with a book open in his hands. 他在打盹，手上的书打开着。 来自辞典例句4. The dog lay dozing in front of the door. 小狗躺在门前打盹儿。 来自辞典例句5. I found him snoozing out back of the house. 我在屋子后面发现了他，正打盹儿呢。 来自辞典例句
大米粒圆又圆
打盹儿可以译为：doze off 或者take a nap.不过对于“车上”指代不明确，可以是汽车，火车或公交车.所以可以翻译为：He is the only one in the car and he's dozing off (taking a nap) at this time.He is the only one on the bus (train) and he's dozing off (taking a nap) at this time.括号里的部分可替代。希望对你有帮助。
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