The pronunciation of “Tiān Gāng zhuó lì” is as follows. “Tiān Gāng” is pronounced as /tiːæn ɡæŋ/. “zhuó lì” is pronounced as /ʒwəʊ liː/. In English, it could be roughly translated as “The power of the celestial stems exerts itself.” However, this is just an approximation. The meaning and pronunciation of Chinese phrases are often hard to convey exactly in English. ????