This is because my father rolls up his sleeves and prepares to work hard.

VOA: special.2010.05.02

I am not talking about wearing our heart on our sleeves.

我不是说要我们肆无忌惮地表达情绪。

哈佛公开课 - 幸福课课程节选

kind of like a dress, suit jackets and just rolling the sleeves.

有点儿类似礼服的卷袖西装夹克。

推荐购物街 - SpeakingMax英语口语达人

It is a blanket with sleeves that a person wears to stay warm.

VOA: special.2009.11.20

But what else do we have up our sleeves?

但还有什么呢？

耶鲁公开课 - 死亡课程节选

"We didn't see BP employees in the war room. We didn't see the CEO, Tony Hayward,with his sleeves rolled up in the war room, walking his team through the process.

VOA: standard.2010.06.10

"What we are doing,folks, we are rolling up our sleeves and we are getting down to business and getting back to the common sense conservative principles that made this country the greatest country on earth, and we are not going to sit down and shut up."

VOA: standard.2010.03.28