英文: Do not take his thoughtless idea.
中文: 不要听他那考虑不周全(详)的主意!英文: She's more thoughtless than stupid.
中文: 与其说她是愚蠢,倒不如说她没有头脑。英文: How could I be so thoughtless?
中文: 我怎么会那么粗心大意呢?英文: She forgave him his thoughtless remark.
中文: 她原谅了他说的轻率的话.英文: It was thoughtless if well-meaning.
中文: 用意虽好, 考虑欠周.