KanjiJLPT N1
Congratulations

congratulations, joy

Mnemonic

You add fresh money into a gleaming red envelope—time to deliver congratulations! At every New Year celebration, you add money to show your joy. The thicker the envelope of money you hand over, the grander your congratulations feel, echoing warmth through the whole gathering.
Additional thoughts
Picture stuffing crisp bills (money) into a red envelope, physically adding them one by one. Red envelopes are the classic symbol of congratulatory giving, especially at New Year. Add + Money = Congratulations locks in neatly.
Quick recall
Add money to a red envelope and deliver your congratulations.

Details

The keyword for 賀 is congratulations. This kanji conveys the idea of celebrating, blessing, or offering felicitations to someone on a joyous occasion. It is strongly associated with formal expressions of goodwill, particularly during New Year's greetings and other ceremonial celebrations. The character carries a sense of joy and auspiciousness, emphasizing the act of honoring happy events with warm wishes.
On'yomi