 |
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| medium-hard | |||
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| medium hard | |||
| half-hard | |||
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| medium hard | |||
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| medium to hard | |||
| 中硬 的: 24 phrases in 11 subjects |
| Automobiles | 1 |
| Business | 4 |
| Earth sciences | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 8 |
| Information technology | 1 |
| Metallurgy | 1 |
| Plastics | 1 |
| Project management | 2 |
| Technology | 3 |