heedless /ˈhiːdləs/ adjective Learner's definition of HEEDLESS
[more heedless; most heedless]
: not paying careful attention不加注意的;掉以轻心的 -
They are heedless of their own safety.[=they pay no attention to their own safety ]他们不注意自身安全。
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They remain heedless of their own safety.
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the heedless use of natural resources对自然资源的肆意利用
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heedless waste随意浪费