你快进来吧!
Nǐ kuài jìnlái ba!
Come in quickly!
我刚进家门口了。
Wǒ gāng jìn jiā ménkǒu le.
I just entered the door of my home.
请进,门开着呢。
Qǐng jìn, mén kāizhe ne.
Please come in, the door is open.