上蹿下跳shàng cuān xià tiào 1.(动物{of animals})到处蹿蹦{run and jump all over}: 小松鼠～,寻找食物。{The squirrels ran around looking for food.} 2.〈比喻fig.〉人到处活动{run around on sinister errands}(贬义{derog.}): ～,煽风点火。{run round to stir up trouble; run round to whip up hostility}