快快 sometimes 同义词组___是什么？

快快 sometimes 同义词组___是什么？

sometimes (同义词组)_at time__
另外补充几个:
occationally
from time to time
now and then
at whiles
for time to time
on occasion
以上都是“有时候”的意思。都可作为sometimes的近义词。
例句：
Sometimes defeat is snatched from the jaws of victory.
Occationally, some programs are interesting but most of the time they're rubbish.
偶尔节目很有意思，但大多数情况下垃圾。
As you can see, we HAs alternating currents. Sometimes it works and at whiles it doesn't.
你们都清楚，咱们用的是沟通电，有时任务，有时不任务
2017-12-19