他在性方面曾有一次不太检点.用英语怎么说？

他在性方面曾有一次不太检点.

He had committed a minor sexual indiscretion.

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

committed

adj. 忠诚的，坚定的；v. 保证（做某事、遵守协议或遵从安排等）( commit的过去式和过去分词 )，把…托付给，把…记（或写）下来，承诺；

例句
He was a man who abhorred violence and was deeply committed to reconciliation...
他是一个憎恶采用暴力而坚决主张和解的人。

minor

adj. 较小的，少数的，小…，未成年的，[乐]小调的，小音阶的，（两同姓男孩中）年幼的；n. 未成年人，副修科目，小公司，[逻辑学]小前提；vi. [主美国英语]副修，选修，兼修；

例句
The houses were set afire but there were only minor injuries to seven personnel...
房子着火了，但是只有7位职员受轻伤。

sexual

adj. 性的，有性别的，性欲的，生殖的，[生]有性的；

例句
...victims of sexual and physical abuse.
遭受性虐待及肉体摧残的受害者

indiscretion

n. 不慎重的举止，轻率的言

例句
Occasionally they paid for their indiscretion with their lives.
有时候他们因自己的轻率而搭上性命。