n.不慎重；轻率之举；鲁莽
I warned him against indiscretion in his conversation. 我告诫他谈话切忌轻率。
Jones was censured for indiscretion in leaking a secret report to the press. 琼斯被责备太鲁莽了，竟然给报刊泄露了一个秘密报告。
