adj.生气的
动词hack的过去式和过去分词.
We hacked our way through the unredgrowth. 我们披荆斩棘在矮树丛中前进。
He hacked (away) at the branch until it fell off. 他朝著树枝(不停地)砍，直到砍下为止。
The explorers hacked (away) at the undergrowth to make a path. 勘探人员披荆斩棘开辟道路。
The new road was hacked out of the jungle. 这条新路是在丛林地带开辟出来的。
