Everyone has good days and bad days.

人人都有运气好和运气差的时候。

youdao

They can have their good days and bad days.

他们也时好时坏。

youdao

Along the way, there will be good days, and bad days.

在前进的道路上，会有好日子，也有痛苦的日子。

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"There's been a bump in the road here, but it will be good to get back to the talks there will be good days and bad days, as there always are in these sorts of negotiations.

VOA: standard.2009.09.05

You don't wanna have it depreciate all the time, and that goes back to the bad old days of inflation.

想必没人愿意看它一直贬值下去吧，搞不好又回到了通货膨胀的灰色岁月。

斯坦福公开课 - 经济学课程节选

"This was a difficult scene for me and I had bad days afterwards, nightmares,stress.

VOA: standard.2010.07.01

He has his ups and downs like all of us, good days and bad days.

BBC: Shock Henson return as Hook out

It's true I have had good days and bad days that impact on my play.

NPR: Nadal Is Back, But The Old Game Isn't The Same

Stress - and bad days at work - were the most common reasons for drinking.

BBC: Two thirds 'turn to drink' to relax in the evening