v.由原路返回；走回頭路
This will often cause them to backtrack. 這往往會(huì)導(dǎo)致他們走回頭路。
The path suddenly disappeared and we had to backtrack. 小路突然消失了，我們只得沿原路折回。
A spate of negative stories and the government may backtrack. 一旦負(fù)面消息大量出現(xiàn)政府就會(huì)走回頭路。
