challenged
| challenge abbr. | |
| law | poner objeción; tachar; objetar |
| challenged abbr. | |
| math. | reto |
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| reto | |||
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| poner objeción; tachar; objetar | |||
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| desafíos; retos | |||
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challenged : 6 phrases in 4 subjects |
| Construction | 1 |
| General | 2 |
| Patents | 2 |
| United Nations | 1 |