cross his fingers

• vi. 两指交叉以求好运

cross his fingers的用法和样例：

例句

1. Bob crossed his fingers when he told his teacher the lie.
   鲍勃向老师撒这个谎时，暗中将两指交叉以求心安。
2. John crossed his fingers during the race so that Bill would win.
   比尔在赛跑时，约翰叉起两指预祝他获胜。