沈没， ちんぼつ
1. sinking, foundering, going down, submersion
2. getting dead drunk
3. having too much fun (esp. in a red-light district, etc.) and missing work or neglecting one's duties
4. staying in one place for a long time
沉没；喝得烂醉如泥；玩得太过尽兴(尤其是在红灯区之类的地方)而忽略了工作或疏忽了职责；长时间待在一个地方