副词
中文翻译：毫不费力地
同义词：
['without effort', 'painlessly例句：1. He walked through the snow without hurting his feet.（他毫无困难地走过了雪地。）']
例句：
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1. He walked through the snow without hurting his feet.
他毫无困难地走过了雪地。
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2.She moved quickly and painlessly to avoid injury.
她迅速而轻松地移动，以避免受伤。
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3. The climb was too steep for him to hurt himself without effort.
攀登太陡，他不得不费尽心思才能不让自己受伤。