1、断断续续地
...oddly 古怪的on and off 断断续续地,有时prehistoric 史前的,老掉牙的 ...
2、间断地
...mother hen婆婆妈妈地担心他人遭遇的人on and off间断地once in a blue moon千载难逢的机金 ...
on n and off断断续续地;有时
on shell and off shell在壳和离壳
on again and off again分分合合
switch on-and off开关通断
on-and off-shell property在离壳性质
on-and off-year大小年毛竹林
on-and off-balance sheet表内和表外项目
switch on and off开关通断
Handset On and Off关机和待机时