be incautious
He was incautious.
他当时不小心。
不小心的；轻率的；不注意的
粗心的,鲁莽的,没有适当谨慎的；缺乏谨慎的；粗心大意未能适当小心的
粗心的,鲁莽的,没有适当谨慎的
careless, reckless, not exercising proper caution.
缺乏谨慎的
lacking in caution
粗心大意未能适当小心的
carelessly failing to exercise proper caution
His incautious remarks at the meeting offended several colleagues.
他在会议上的轻率言论冒犯了几位同事。
用法提示：incautious 作定语，表示“轻率的”。
AI contextual example
Incautious drivers often cause accidents on wet roads.
粗心的司机在湿滑路面上常常引发事故。
用法提示：incautious 作定语修饰 drivers，表示“不小心的”。
AI contextual example
She was incautious with her personal information online.
她在网上对个人信息不够谨慎。
用法提示：incautious 作表语，表示“不谨慎的、不注意的”。
AI contextual example
He was incautious.
他当时不小心。
关于某事不小心
She was incautious about the risks.
她对风险不小心。
在做某事时不谨慎
They were incautious in making promises.
他们轻率地做出承诺。
对某物不谨慎
He was incautious with his words.
他说话不小心。
grammar · medium
易错句子He drove incautious.
正确表达He drove incautiously.
incautious是形容词，不能修饰动词；应使用副词incautiously来修饰动词drove。
grammar · medium
易错句子His incautious caused the accident.
正确表达His incautiousness caused the accident.
incautious是形容词，不能作主语；应使用名词形式incautiousness来表示‘不小心’的状态。
careless 侧重粗心疏忽，incautious 侧重不谨慎小心。
reckless 指不计后果的鲁莽，incautious 指不够谨慎。
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