在《现代汉语词典》中,“上蹿下跳”有两个意思,一个是“到处蹿蹦”。例如:“小松鼠上蹿下跳,寻找食物。”另一个意思是“比喻人到处活动(含贬义)”。例如:“他上蹿下跳,煽风点火。”有的词典写作“上窜下跳”。这种写法不妥。从表示动作来说,“蹿”是“向上或向前跳”的意思, In the Modern Chinese Dictionary, there are two meanings, one is “jumped around everywhere.” For example: “A squirrel jumps down and hunts for food.” Another means “figuratively moving people around (including derogatory)”. For example: “He jump up and down, fanning fire.” Some dictionary writing “jump up and down.” This kind of wording is wrong. From the representation of action, “蹿” is “jump up or forward,” meaning,