4周搞定2000+托福核心词
reckon = reck(顾虑) + on(大词) = 注意，留心→估计，测算
ceaselessly = cease(停止) + less(无，不) + ly(表副词) = 不停地
needless = need(需要，要求) + less(无，不) = 不需要的
无顾虑的→鲁莽的
reckless
常考释义
As we have seen, someone could use the very same knowledge of means to achieve a much less noble end, such as personal profit via destructive, dangerous, reckless activity.
正如我们所见，有人可以用同样的有关手段的知识来达到一个不是那么高尚的目的，比如通过毁灭性的、危险的、不计后果的活动来获得个人利益。
来源于：剑雅12-TEST5adj. 不顾后果的；鲁莽的；轻率的
She was reckless and utterly without fear.
她鲁莽无畏。
Yeah, it's completely stupid and reckless.
没错，的确很傻很鲁莽。
来自《暮光之城2：新月》
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