whistle up

• • 吹哨召来，召集，召来：

    Please whistle up all the dogs quickly.

    赶快吹哨把狗召回来。

  • 很快地做出；用很少的材料拼成；冥思苦想：

    As he is a good teacher,he often has to whistle up new ideas for lessons.

    作为一个好老师，他常常要为功课冥思苦想些新招。