尽管平时工作一向细心，他那天还是出了一个意外的错误。
Although careful in his work, he made an unexpected mistake that day.
▼点击显示答案
although英 /ɔːlˈðəʊ/|美 /ɔlˈðoʊ/
careful英 /ˈkeəfʊl/|美 /ˈkɛrfʊl/
解释
非限定形容词从句 careful 在 although 后省略主语 + be 动词（= although he was careful），表对比。
Although careful in his work, he made an unexpected mistake that day.
非限定形容词从句 careful 在 although 后省略主语 + be 动词（= although he was careful），表对比。