I hope not so. Imprudence or thoughtlessness in money matters would be unpardonable in me.

但愿不会如此。我要是在银钱问题上粗心大意，那是不可原谅的。

chazidian.com

Rosebush shrub 'Golden wings', one of my preferred for its nature and its thoughtlessness.

蔷薇丛灌木' 金色翼'，一我适合它的自然和它的疏忽更喜欢。

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Often, a large group of people against her thoughtlessness.

往往会得罪一大帮的人，成为众矢之的。

blog.sina.com.cn

Sir William's point is that the unfairness can often be the result of ignorance or thoughtlessness, not necessarily of a deliberate act.

ECONOMIST: Debating Lawrence | The

Then, one day, the new girl was gone, and the Minotaur worried that, in a moment of thoughtlessness, he had gobbled her up.

NEWYORKER: Ziggurat

Or just pure thoughtlessness?

CENTERFORSECURITYPOLICY: Ayaan Hirsi Ali, abandoned to fanatics