n.戒尺；紀(jì)律；管教
v.用戒尺毒打
The teacher often beat him with a ferule when he was young. 小時(shí)候他沒少被老師用戒尺打。
The teacher strikes the table with his ferule to quiet the students. 老師用戒方敲著桌子喊著讓同學(xué)們安靜。
