副詞 now and then:

1. now and then or here and there
   同義詞：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.
   我喜歡偶爾去看歌劇。
2. He takes my sister out to the theatre now and then.
   他時(shí)常帶我妹妹去劇院。
3. A few cases of influenza cropped out every now and then.
   不時(shí)出現(xiàn)一些流行性感冒的病例。
4. Every now and then he would lapse into the local dialect.
   他講話中時(shí)而不自覺地冒出地方方言。
5. Everyone needs a pat on the back now and then.
   每個(gè)人都需要不時(shí)地得到鼓勵(lì)。
6. He went to see his grandmother every now and then.
   他時(shí)而去看看他的祖母。