- a narrow shelf-like bed, typically one of two or more arranged one on top of the other架子床（尤指多层床之一层）。
no obj.
- chiefly N. Amer. sleep in a narrow berth or improvised bed, typically in shared quarters〈主北美〉合住; 合铺：
they bunk together in the dormitory.
他们合住在宿舍。
词源
mid 18th cent.: of unknown origin; perhaps related to BUNKER.
Brit. informal <英, 非正式>
no obj.
1- abscond or play truant from school or work潜逃; 逃学; 逃避工作：
he bunked off school.
他逃学了。
1.1
- with obj. illicitly avoid paying (a fee or debtor)避债; 逃避付费：
he nearly got caught bunking his fare.
他逃票差点被抓。
- a hurried and furtive departure; an escape秘密离开; 匆忙潜逃：
there was no sign of him - he'd done a bunk.
找不到他的踪迹——他逃了。
词源
mid 19th cent.: of unknown origin.