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I heard him step upstairs, enter the room and shut the door.
我听见他走上楼梯，走进房间，然后关上了门。
youdao
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The child heard someone coming upstairs step by step.
那孩子听到有人一步一步地在上楼梯。
youdao
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A dwarf going upstairs getting higher step by step.
矮子上楼梯，步步登高。
youdao
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A dwarf going upstairs getting higher step by step.
矮子上楼梯，步步登高。
youdao