1. a few times
幾次
2. all the time
總是
3. almost always
幾乎總是
4. almost never
幾乎不
5. at times
有時(shí)，偶爾
6. constantly
經(jīng)常
7. every hour
每小時(shí)
8. every now and then
不時(shí)地，常常
9. every third day
每三天
10. four times
四次
11. frequently
經(jīng)常
12. hardly ever
幾乎不
13. nearly always
幾乎總是
14. now and then
偶爾，有時(shí)
15. off and on
斷斷續(xù)續(xù)地，時(shí)不時(shí)地
16. on the fifteenth of every month
每個(gè)月十五號(hào)
17. once in a blue moon
千載難逢，極為罕見
18. once in a while
偶爾，有時(shí)
19. three times a week
每周三次
20. twice a month
每個(gè)月兩次
(編輯：何瑩瑩）
