jail /dʒeil/ I. n. ［c］ 监牢，拘留所：break jail 越狱；three years in jail 坐牢三年；be sent to jail 被投入监狱 ‖II. vt. 监禁，拘留：The police jailed him with the rest of the protesters. 警察把他同其他抗议者一起拘留起来。