Chinese phrase translation: 拦路虎 (lán lù hǔ) an obstacle

拦路虎 (lán lù hǔ) an obstacle; a hindrance; a tiger in the way

Usage:

这个词的字面意思是挡在路中的老虎，使人不能继续前行。所以，“拦路虎”用来指人们在生活、学习或其他方面遇到的非常大的困难和障碍。
The literal meaning of this word is a tiger in your way, you couldn’t move forward. So，“拦路虎（lán lù hǔ）”means the great difficulties or obstacles in one’s study, life or other aspects.
Sentences:

1、 Yǔyán shì tā chūguó hòu yùdào de dìyīgè “lán lù hǔ”.
语言是他出国后遇到的第一个“拦路虎”。
The language is his first obstacle after going abroad.
2、 Méiyǒu gōngzuò jīngyàn chéngwéi tā qiúzhí lù shàng de “lán lù hǔ”.
没有工作经验成为他求职路上的“拦路虎”。
It is difficult for him to get a job without any experience.