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| be difficult of; be hard to (+ inf.); have a hard time (+ ing); hardly | |||
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| be hard put to it | |||
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| be hard put to it to + inf. | |||
| 很难: 44 phrases in 12 subjects |
| Bridge construction | 1 |
| Clothing | 1 |
| Commerce | 3 |
| Economy | 8 |
| General | 18 |
| Lighting other than cinema | 1 |
| Project management | 3 |
| Proverb | 1 |
| Securities | 1 |
| Shipbuilding | 3 |
| Sports | 3 |
| Technology | 1 |