Meaning of guān mén:
guān mén
关门
Verb
to close a door; to lock a door; (of a shop etc) to close (for the night, or permanently)
Qǐng bāng wǒ guān mén.
请帮我关门。
Please help me close the door.
Tā zǒng shì wàngjì guān mén.
他总是忘记关门。
He always forgets to lock the door.
Shāngdiàn zài wǎnshàng jiǔ diǎn guān mén.
商店在晚上九点关门。
The shop closes at nine in the evening.