HSK 7-9
贺信
hèxìn名
congratulatory letter or message
校长宣读了友校发来的贺信。
Xiào zhǎng xuān dú le yǒu xiào fā lái de hè xìn.
The principal read a congratulatory letter from a partner school.
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
Appears across levels (7-9) in the HSK 3.0 word list.