“门道”的英语？

“门道”的拼音为：mén dào...

我们在人陪同下穿过一条低矮的门道。We were escorted through a low doorway.她必须低头通过低低的门道.She had to duck to get through the low doorway.技术革新的门道很多.There are all sorts of possibilities for technical innovation....