 |
|
be alert : 50 phrases in 16 subjects |
| Apollo-Soyuz | 1 |
| Biology | 1 |
| Contextual meaning | 1 |
| Economics | 1 |
| Figure of speech | 1 |
| Firefighting and fire-control systems | 2 |
| General | 28 |
| Makarov | 3 |
| Military | 2 |
| Military aviation | 1 |
| Proper and figurative | 1 |
| Proverb | 3 |
| Rail transport | 2 |
| Security systems | 1 |
| Space | 1 |
| Transport | 1 |