He is a man of undemonstrative nature .

他是个性情含蓄的男子。

A phlegmatic ...... and certainly undemonstrative man .

一个冷静……当然也不露声色的人。

My father was undemonstrative , and could neither share his feelings with us children nor deal with the feelings we had for him .

我父亲是个很含蓄的人，既不跟我们孩子们分享他的情感也不回应我们对他的情感。

They were alike in many ways - forthright , undemonstrative , sometimes irritable , but also kind - and philip became like a son to the great man .

他们在许多地方都很相似直率，含蓄，有时有些暴躁，但也很善良菲利普像是那位大人物的儿子一样。

The hitherto undemonstrative authorities now consider kidnapping to be a serious enough problem to warrant asking for outside help-not something that comes naturally to chinese officialdom .

迄今含蓄的当局现在认为绑架是一个足够严重的问题以保证得到外界的帮助不是很自然地得到中国官场的帮助。