whistle up

短语

苦思苦想准备出

词形变化

whistled up whistles up 三单 whistles up whistling up whistling up 现在分词 whistled up 过去式 whistled up 过去分词

释义与例句

v.
  1. 1.

    To gather (especially people or dogs) together, calling them by whistling.

    及物