now and then

副词 now and then:

1. now and then or here and there
   同义词：occasionally, on occasion, once in a while, now and again, at times, from time to time

1. I like to go to the opera now and then.
   我喜欢偶尔去看歌剧。
2. He takes my sister out to the theatre now and then.
   他时常带我妹妹去剧院。
3. A few cases of influenza cropped out every now and then.
   不时出现一些流行性感冒的病例。
4. Every now and then he would lapse into the local dialect.
   他讲话中时而不自觉地冒出地方方言。
5. Everyone needs a pat on the back now and then.
   每个人都需要不时地得到鼓励。
6. He went to see his grandmother every now and then.
   他时而去看看他的祖母。