1. 不谨慎的：incaution 不小心 | incautious 不谨慎的 | incautiously 鲁莽地

2. 不小心的/轻率的/不注意的：incaution /不小心/粗心大意/ | incautious /不小心的/轻率的/不注意的/ | incautiously /不小心地/

3. 不小心的, 不注意的, 轻率的 (形)：incaution 不小心; 粗心大意 (名) | incautious 不小心的, 不注意的, 轻率的 (形) | incautiously 鲁莽地 (副)

1. 不谨慎的;粗心大意的;轻率的
If you say that someone is incautious, you are criticizing them because they do or say something without thinking or planning.

e.g. In case you think I was incautious, take a look at the map.
如果你认为我不够仔细,就自己看看地图。

adj

1. carelessly failing to exercise proper caution

e.g. an incautious step sent her headlong down the stairs

2. lacking in caution

e.g. an incautious remark
incautious talk