축하해요

chu-ka-hae-yo · literally “Congratulations”

Situation: Your manager has just been promoted, and you want to say 'Congratulations on your promotion!'

✕ What AI tells you

Gives 승진 축하해요! because it's polite with 요.

Why it fails: 축하해요 is fine between equals, but toward a superior Koreans lower themselves with the humble verb 드리다 ('to give, humbly'). Without it, the congratulations sounds a step too casual.

✓ What Koreans actually say

Congratulate superiors and elders with 축하드립니다 (or 축하드려요). Use 축하해 / 축하해요 with friends and juniors.

  • 팀장님, 승진 축하드립니다!

    tim-jang-nim, seung-jin chu-ka-deu-rim-ni-da

    Congratulating a boss on a promotion

  • 생신 축하드려요.

    saeng-sin chu-ka-deu-ryeo-yo

    Happy birthday to an elder — note 생신, the honorific word for birthday

  • 결혼 축하해!

    gyeol-hon chu-ka-hae

    Casual, to a friend getting married

Cultural nuance, in depth

Korean often shows respect by humbling the speaker rather than raising the listener. 드리다 replaces 주다 ('give') when you give something to someone above you — including congratulations, greetings (인사드리다) and phone calls (전화드리다). Elders also get special nouns: 생신 instead of 생일 for birthday, 진지 instead of 밥 for a meal.

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