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V1 |
| make a strenuous or labored effort | |||
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V2 |
| exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for | |||
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V1, V2 |
| be engaged in a fight; carry on a fight | |||
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V1, V2 |
| battle or contend against in or as if in a battle |