Twice or three times a week would be good.

一周两次或者三次都没有问题。

youdao

Then, we should exercise twice or three times a week.

然后，我们应该每周锻炼两次或三次。

youdao

However, if you do miss once, or twice or three times, don't give up.

如果你确实错过了一次、两次甚至三次，不要放弃。

youdao

If they do make big bets maybe they get lucky once, or twice,or three times, but ultimately their luck is going to run out.

搏大了,可能会侥幸那么一次,两次或三次,但最终运气是会用完的

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So they weigh twice or three times what an ordinary car weighs.

WHITEHOUSE: Promoting Jobs and Growth Through Innovation

And this is another example where it's not once, it's not twice, it's three or four times.

CNN

Of the women who used the pill, 59% said they had done it only once, 24% said twice, and 17% said three or more times.

BBC: Morning-after pill use rises in US