walk the chalk

phr

• ① 【美口】走得正直(以证明未醉)

• ② 【美口】循规蹈矩;服从命令,顺从
  • In some classes the students play and talk, but Mr. Smith makes them walk the chalk.在某些课上学生又玩又讲话,但史密斯先生却能使他们循规蹈矩。