He has a politely diffident manner.是什么意思？

He has a politely diffident manner.

他的态度是客气中带有羞怯.

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。

has

v. 有( have的第三人称单数 )，（亲属关系中）接受，拿，买到；

例句
...the operation a patient has had.
病人做过的手术

politely

adv. 有礼貌地，客气地，委婉地；

例句
You can say 'with due respect' when you are about to disagree politely with someone.
(发表不同意见前的谦语)恕我冒昧,恕我直言

diffident

adj. 缺乏自信的，露出怯态的，羞怯的，踌躇的，虚；

例句
Helen was diffident and reserved.
海伦比较害羞内向。

manner

n. 方式，方法，做法，态度，样子，举止，礼貌，规矩，风俗，习惯，惯例，生活方式；

例句
His abrasive manner has won him an unenviable notoriety...
他生硬粗暴的态度让他声名狼藉。