keep right.
其他常見交通英文：
1、 靠右行駛：Drive on the right. 2. 靠右站立：When taking the escalator， you should stand on the right and pass on the left. 坐扶梯的時候，靠右站立，從左邊透過。3. 靠右走：When you walk， stay close to the right. 或者：Walk on your right. 走路的時候靠右。4. 往右靠靠：Move to the right a bit.
