Although he was experienced, he was not infallible...是什么意思？

Although he was experienced, he was not infallible...

尽管他经验丰富,却并非不会出错。

although

conj. 尽管，虽然，但是，然

例句
He was in love with her, although he did not put that name to it.
他爱着她，虽然他没有将其称为爱。

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。

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

experienced

adj. 有阅历的，有见识的，老练的，熟练的，有经验的，有丰富经验的；v. “experience”的过去式和过去分词；

例句
All of those who received the true acupuncture experienced pain relief.
所有接受了针刺治疗的人都感到疼痛减轻了。

not

adv. 不，[用以表示否定、否认、拒绝、禁止等]不是，几乎不，未必，没有[用于否定后面的词或短语]；

例句
It became very clear that the incident was not just an aberration, it was not just a single incident.
事实已经很清楚，这件事不是偶发的，它并不是一起孤立的事件。

infallible

adj. 绝对可靠的，一贯正确的，万无一失的；n. 一贯正确的人，可靠的事物；

例句
She had an infallible eye for style.
在时尚方面她的眼光错不了。