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階段， かいだん

1. stairs, stairway, staircase

阶段；楼梯，楼梯间，楼梯道

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を

1. indicates direct object of action 2. indicates subject of causative expression 3. indicates an area traversed 4. indicates time (period) over which action takes place 5. indicates point of departure or separation of action 6. indicates object of d...

表示动作的直接对象；表示经过的场所；表示离开或分开的点

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一度に， いちどに

1. all at once

tbd

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駆け上がる， 駆け上る， かけ上がる， 駆けあがる， 駆上る， かけあがる

1. to run up (a hill, stairs etc.), to dash up, to rush up

tbd

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彼， かれ

1. he, him 2. boyfriend

他

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は

1. indicates sentence topic 2. indicates contrast with another option (stated or unstated) 3. adds emphasis

指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调

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