on-and-off

基本解释

• adj.时断时续的

同根派生

英汉例句

• He has been working here, on and off, for two years.
  他在这儿断断续续工作了两年。
• To our amusement, the actor jumped on and off the stage.
  令我们感到有趣的是,那个演员从舞台跳上跳下。
• It has rained on and off for three days.
  断断续续地下了三天雨。
• He had been work here,on and off,for two years.
  他在这儿断断续续工作了两年。
• He has is work here,on and off,for two year.
  他在这儿断断续续工作了两年。