hand with index finger and thumb crossed → 手，食指和拇指交叉

In the foreign language class, the teacher showed the gesture of crossing the index finger and thumb to teach everyone the English expression and cultural meaning of this action.

Children imitate the gesture of crossing their index fingers and thumbs, practice saying corresponding phrases in English, and exercise oral expression.

In the cross-cultural communication class, we discuss the meaning of this gesture in different countries and accumulate relevant English description materials.