Textile technique (fǎng zhī jì shù 纺织技术) has a long history in China. As early as in the primitive society,  people in ancient China have taken advantage of the natural resource to make simple textile facilities for weaving so as to adapt to the changeable weather.

每日惯用语（62）

不见得
Not likely.

【发音】bù jiàn dé

【释义】不太可能，不一定。
            Not necessarily so; it is improbable that.

【例1】他今晚不见得会来。
           He's not likely to come tonight.

【例2】我看今年长裙不见得会过时。
           I will consider it unlikely (that) long skirt will go out this year.

Ding (dǐng 鼎) was a cooking vessel probably used to boil or cook food ancient China. It can be traced back to the Neolithic Age in the primitive society. As early as 7000 ago, there are dings made of clay. During the Shang (shāng 商) and Zhou (zhōu 周) dynasties, bronze casting technology reached a high level in China. Therefore, people used bronze to cast ding. And the ding was no longer the cooking utensils in common people’s life but an object for important ceremonies to offer sacrifices. It was a symbol of imperial power.

每日惯用语（61）

不问青红皂白
Confound right and wrong.

【发音】bù wèn qīng hóng zào bái

【释义】比喻不分是非，不问情由。
            Indiscriminately; not to distinguish black from white; not to inquire into the reason.

【例1】哪里有激烈的战争，他就立即冲向那里，不问青红皂白就砍杀起来。
           Where the fight is fierce, there he rushes in without hesitation, without question as to which side is right.

【例2】每当我犯错误，妈妈总是不分青红皂白地骂起我来。
           Every time I make a mistake, my mom would always scold me indiscriminately.

每日惯用语（60）

不是滋味
Feel really bad; be upset.

【发音】bù shì zī wèi

【释义】心里感到不好受。
            Feel really bad in the mind.

【例1】听了他的冷言冷语，我心里不是滋味。
           After hearing his cold words, I felt very upset.

【例2】春节的傍晚，看见流浪汉仍在沿街乞讨，我心里很不是滋味。
           Seeing waifs begging on the street on my way home on the eve of Spring Festival I felt very bad.