He sat with his head buried in his hands as his sordid double life was revealed.
当他卑鄙的两面生活被揭发时,他双手掩面地坐着。
《柯林斯英汉双解大词典》
2
Restaurateurs are trying to avoid passing the higher cost of ingredients on to customers by increasing productivity-by training waiters to double as kitchen hands, for example.
酒店老板通过提高生产力——比如训练服务员也到厨房打杂——来避免将过高的成本因素转嫁给消费者。
3
May the praise of God be in their mouths and a double-edged sword in their hands