1. He speaks of a word, a little undemonstrative even. 他说起话来，甚至有些腼腆。
2. They showed a "mechanization of human relationships, " described themselves and their spouses as undemonstrative. 他们描述自己表现出一种“人际关系机械化，”而且他们的配偶都很含蓄。
3. 9 see joke: The schoolgirl says to the schoolboy: We are to have a man student especially undemonstrative, face of schoolgirl of at sight of is red. 你流氓9看笑话：女生对男生说：我们系有一个男生特腼腆，一看见女生脸就红了。
