動詞 roll up:

1. form into a cylinder by rolling
   同義詞：furl
2. get or gather together
   同義詞：collect, accumulate, pile up, amass, compile, hoard
3. arrive in a vehicle: "He rolled up in a black Mercedes"
4. make into a bundle
   同義詞：bundle, bundle up
5. form a cylinder by rolling
   同義詞：wrap up
6. show certain properties when being rolled
   同義詞：roll

1. The hedgehog rolled up into a spiky ball.
   刺　卷起身子成了一個刺球。
2. If you want to be successful you must roll up your sleeves.
   如果你想成功，你必須準(zhǔn)備做艱苦的工作。
3. Michael rolled up half an hour earlier.
   萬克爾提前半小時到達(dá)。
4. He rolled up his sleeves and got to work in the garden.
   他卷起了袖子，在花園里干起活來。