名词
中文翻译：任性的行为
同义词：
['rash action', 'impulsive act']
例句：
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1.He made a wilful act by ignoring his parents' advice.
他鲁莽地忽略了父母的意见。
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2. The young girl was caught in a wilful act of vandalism.
这个年轻女孩被卷入了一次鲁莽的破坏行为中。
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3.The child's wilful act cost them their favorite toy.
孩子的鲁莽行为让他们失去了他们最喜欢的玩具。