信箱 (xìn xiāng) means “mailbox; post office box”. It is an HSK 5 Chinese word in the HSK 3.0 vocabulary.
Practice each character:
我去信箱取一下信。
Wǒ qù xìnxiāng qǔ yīxià xìn.
I'll go get the mail from the mailbox.
Updated: 2026-07-18