indiscreet
adj. 轻率的；不慎重的
例句
He is notoriously indiscreet about his private life.
他在私生活方面的不检点是出了名的。
《柯林斯英汉双解大词典》
Tom was utterly indiscreet, and could never keep a secret.
汤姆言行完全不慎重，从来守不住秘密。
It was forbidden to mention names of friends as it is indiscreet.
提及朋友的名字是被禁止的。
