A little boy came running up and tugged at his sleeve excitedly.

一个小男孩跑了过来，兴奋地拽着他的袖子。

《柯林斯英汉双解大词典》

He wondered what tricks Shearson had up his sleeve.

他想知道希尔森有何锦囊妙计。

《柯林斯英汉双解大词典》

He was holding Colin's wrist and he pushed up his sleeve and felt his arm.

他握住科林的手腕，把袖子推上去，摸了摸他的胳膊。

youdao

We say he has a card up his sleeve.

VOA: special.2010.05.02

I don't have any more philosophical arguments up my sleeve on this issue.

我已两手空空，拿不出什么哲学论调了。

耶鲁公开课 - 死亡课程节选

He also has tricks up his sleeve: how to care for each, especially when it comes to re-potting them.

VOA: standard.2010.02.21

Together, Caldwell's buying and the growing expectations that Thain had something dramatic up his sleeve may have helped push up seat prices enough that NYSE's 1, 366 members now face an offer too good to refuse--even if it means the end of their way of life on the NYSE floor.

FORBES: Dumb Like A Trader

And by the time he sold Ronaldo, he had another ace up his sleeve: Wayne Rooney.

WSJ: Some Lavish Praise for Alex Ferguson��Manchester United

After decades in the Senate, Stevens no doubt has plenty of legislative tricks up his sleeve.

FORBES