“正门”的拼音为：zhèng mén...

“正门”的反义词：旁门。...

他从正门进入了哈罗德商场。He entered Harrods by the main door.我从宏伟的正门进去。I went in through the royal portal.我们看见正门上有一张用透明胶带贴的字条。We found a note sellotaped to the front door....

“正门”的英语可以翻译为：front door [gate]，main entrance，frontispiece ...