His natural reserve made him appear self-conscious.是什么意思？

His natural reserve made him appear self-conscious.

他天生的内敛性格让他显得有些拘谨。

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

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

natural

adj. 自然的，物质的，天生的，不做作的；n. 自然的事情，（生来的）白痴，[乐]（风琴等的）白键；

例句
There is a natural affinity between British and Asian women.
英国女性和亚洲女性之间有一种自然的亲近感。

reserve

n. 储备，保护区，保留，替补队员；vt. 储备，保留，预约；vi. 预订；adj. 保留的，预备的；

例句
The sale will be made to the highest bidder subject to a reserve price being attained.
只要达到了拍卖底价，标的物就会出售给出价最高的竞买人。

made

adj. …制的，（人工）做成的，拼成的，虚构的，保证成功的；v. 使(make的过去式和过去分词)；

例句
Single people are treated as an aberration and made to pay a supplement.
独身者被当成异类，而且要付一笔额外的费用。

him

pron. (he的宾格)他；

例句
They said goodbye to him as he got aboard the train at Union Station.
当他在联合火车站登上火车之际，他们向他道别。

appear

vi. 出现，显现，出庭，出场，演出，似乎；

例句
He was ordered to appear the following day, but absconded...
他被传唤于第二天出庭，可是他逃跑了。