| 关 |
guān jiàn | crucial point / crux / CL:个 / key / crucial / pivotal |
| 关 |
Guān | surname Guan |
| 关 |
guān | mountain pass / to close; to shut; to turn off / to confine; to lock (sb) up; to shut (sb in a room, a bird in a cage etc) / to concern; to involve |
| 键 |
jiàn | key (on a piano or computer keyboard) / button (on a mouse or other device) / chemical bond / linchpin |