His manner was coolly polite and impersonal.

他态度冷淡客气，公事公办。

Even his children found him strangely distant and impersonal.

他孩子们也认为他跟其他人很疏远，没有人情味。

His manner seemed rather stiff and impersonal.

他态度似乎很生硬冷淡。

His voice was coolly impersonal.

他声音冷冰冰，没有一点人情味。

The author used a seemed calmness, impersonal and adiaphorous method to face the topic of the society and history of contemporary China.

荒诞场面描写和幽默语言风格是构成这种喜剧化色彩主要手段，作家举重若轻，意味深长，发人深思。