not in the same league as

• not in the same league as: 格が違う

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• Comets look flashy, but they're not in the same league as the Nimbus
  （コメットなんて見かけは派手だけどニンバスとは格が違うのさ）
  J. K. Rawling, Harry Potter and the Philosopher's Stone, Bloomsbury, p. 122