off and on
英 [ɔf ænd ɔn] 美 [ɔf ənd ɑn]

释义

不时；断断续续地；间歇地；时作时辍

英英释义

off and on

• adj.intermittently stopping and starting

  同义词：fitfulinterruptedoff-and-on(a)

• adv.not regularly

  同义词：on and off

双语例句

1. He had been work here,on and off,for two years.
   他在这儿断断续续工作了两年。
2. I began to write intermittently and spasmodically.
   我开始断断续续地写了起来。
3. The rebels made regular attacks on the railways.
   叛军不时地袭击铁路。
4. He looked at the girl and smiled.
   他看着那个姑娘并不时地朝她微笑。

权威例句

Off and on
Off and on
OFF and ON
Programming off and on states in chromatin: mechanisms of Polycomb and trithorax group complexes
A randomized comparison of off-pump and on-pump multivessel coronary-artery bypass surgery.
Vascular function in the forearm of hypercholesterolaemic patients off and on lipid-lowering medication.
Assessment of neurocognitive impairment after off-pump and on-pump techniques for coronary artery bypass graft surgery: prospective ...
Scheduling to minimize average completion time: off-line and on-line approximation algorithms
Early and midterm outcome after off-pump and on-pump surgery in Beating Heart Against Cardioplegic Arrest Studies (BHACAS 1 and 2): ...
Scheduling to minimize average completion time: off-line and on-line algorithms
Cognitive Outcome After Off-Pump and On-Pump Coronary Artery BypassGraft Surgery: A Randomized Trial
Off-ramps and on-ramps: keeping talented women on the road to success
Matrix effect in LC-ESI-MS and LC-APCI-MS with off-line and on-line extraction procedures.