1. Run up the price of the company's stock.
   使公司股票的价格升值
2. Her life has run smoothly up to now.
   她的生活到目前为止仍一帆风顺。
3. The jockey ran the horse up and down the track.
   骑师骑着马在跑道上来回奔跑。
4. Please run up to the store and Buy a newspaper.
   请开车去店铺买一份报纸。
5. She always runs up/down the stairs.
   她总是跑着上[下]楼梯.

　5个动词解释