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- He is walking to and fro in the room. 他在房间内踱来踱去。
- People are hurrying to and fro in the street. 街道上人来人往。
- The boss traversed to and fro in his office. 老板在办公室来回踱步。
- She is walking to and fro in the office . 她在办公室里踱来踱去。
- I have a trick of walking to and fro in my room. 我有个在房中走动的习惯。
- The teacher walked to and fro in front of the class. 老师在全班同学前面走来走去。
- May walked to and fro in the room,waiting for news about her son. 梅在房间里走来走去，等待着儿子的消息。
- Various kinds of vehicles run to and fro in the street. 大街上往来的车辆很多。
- The slogan crier saw the dog and frog jump to and fro in the fog. 呼口号者看见狗和青蛙在雾中来回跳。
- She saw small boats passing to and fro on that glittering highway. 她看到许多小船在这耀眼的河道上来往。
- May walked to and fro in the room, waiting for news about her son. 梅在房间里走来走去，等待着儿子的消息。
- Trucks shuttled to and fro on the high ways. 车辆在高速公路上穿梭行驶。
- Autumn comes, the leaves on the branches are swaying to and fro in the wind. 秋天来了，秋风中树叶在枝头上飘籔不定。
- To and fro in the seven chambers there stalked, in fact, a multitude of dreams. 实际上，在这七间屋子里昂然地走来走去的，不过一群梦中人。
- Small tropical fish were swimming placidly to and fro in the green water-weed. 热带小鱼在绿茵茵的水藻中怡然自得地游来游去。
- The ship was rolling heavily to and fro. 那船晃来晃去很不平稳。
- The signals go to and fro at a very high but almost constant speed. 那些信号用非常快但几乎不变的速度来回传送。
- He walked to and fro in his room [up and down his room]for a good hour. 他在房里整整来回走了一个钟头。
- The cat made little rushes to and fro after the ball. 猫追着球跑过来跑过去。
- To move or rock lightly up and down or to and fro in an unsteady,jerky manner. 抖动以颠簸、不稳的状态前后上下轻微地摇晃或移动。
