Alive is an adjective meaning:
1. Living, not dead - "She's still alive after the accident"
2. Full of energy and activity - "The city feels alive at night"
3. Continuing to exist - "Keep the tradition alive"
4. Aware of something - "Stay alive to new opportunities"
5. (Electricity) Connected to power source - "That wire is alive"
Common phrases:
- Alive and kicking (活蹦乱跳)
- More alive than dead (半死不活)
- Alive to the situation (对形势很敏感)