形容词
中文翻译：无力的
同义词：
['incapable', 'powerless', "helpless例句：1. The old man waspowerless to do anything about the situation.（老人对这种情况无能为力。）2. The child was powerless against the bully's threats.（孩子无法抵抗那个恶霸的威胁。）"]
例句：
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1. The old man waspowerless to do anything about the situation.
老人对这种情况无能为力。
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2. The child was powerless against the bully's threats.
孩子无法抵抗那个恶霸的威胁。
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3. Thescientist was powerless to explain the phenomenon.
科学家无法解释这个现象。