老氏讀易得間 Help me understand this, not homework
老氏讀易得間

老氏：即老子 Laozi。

讀易：研讀《易經》 to study 《I Jing》，《Book of Changes》

得間： ㄉㄜˊ ㄐㄧㄢˋ , dé jiàn

得：得到 to get, to find, to obtain

間：是「間隙、孔竅」的意思，引申為「竅門、訣竅」。
間 means "the gaps, orifices, openings or holes", and is extended to "the tips, tricks or know-how".

得間：找到訣竅，了解其義。
To discover the tricks and understand the meanings.

老氏讀易得間
When Laozi studied the 《I Jing》, he figured out the knacks.



得間 also means 有隙可乘 or 得到機會, to get a chance.