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Meaning of 不知凡几

Lookup via: Pinyin | Radicals
不 bù 知 zhī 凡 fán 几 jǐ (Trad.: 不知凡幾)
one can't tell how many; numerous similar cases
Related Words
Antonyms: 如数家珍
Example Sentences
1
从人类的知识史日趋完备的过程来看
,
精力跟力量的原理
,
曾经被广泛应用的次数
,
真是不知凡几
!
How often, in the course of history, have the notions of energy and force been taken up and used again upon an increasingly totalized reality!