带介词to的英语短语

　　Various kinds of vehicles run to and fro in the street.

　　大街上往来的`车辆很多。

　　He hopped to and fro between London and Paris for the business.

　　为了这笔生意他曾不停地往返于伦敦和巴黎。

　　Your thoughts cannot be tossed to and fro like the waves of the sea.

　　你的思考不能像大海的波浪一样起伏。