开心

Pattern visualization

Examples

1. 今天很开心。▶ —
   I'm happy today.
2. 玩得很开心。▶ —
   Had a great time.

Collocations

Mnemonic

开心 kāixīn "happy, joyful" — 开 (open) + 心 (heart) → "open heart". More casual than 高兴 gāoxìng. Korean/Japanese have no everyday "kaesim" cognate; they use native words.

Quick check

1. Metaphor of 开心?

   • open heart
   • close heart
   • lose heart
   • see heart