披荆斩棘的英文：
[Literal Meaning]
break/thorn/cut/thorn
to break through brambles and thorns

[解释]
斩除荆棘。比喻在创业或前进的道路上清除障碍，克服困难。

[Explanation]
to hack one's way through difficulties

[例子]
这两位科学家披荆斩棘，克服了重重困难终于成功地完成了实验。

[Example]
The two scientists hacked their way through difficulties, overcame many difficulties and eventually finished the experiment successfully.

[英文等价词]
blaze a trail

[Tn,Tn.pr]make(a path,etc) by pressing branches down and walking over them
披荆斩棘开辟(路等);踏出(一条路)

To cultivate land as a pioneer
披荆斩棘

We hacked our way through the undergrowth.
我们披荆斩棘在矮树丛中前进.

The explorers hacked(away)at the undergrowth to make a path.
勘探人员披荆斩棘开辟道路.