Tā de fāyán lítí shíwàn bāqiān lǐ, dàjiā dōu tīng hútu le.
His speech wandered miles from the topic, and everyone got lost.
Tips
culture
In 西游记, a single somersault (跟斗) carries 孙悟空 108,000 li, about 54,000 km. The number stuck as a picture of an enormous distance or gap, usually after 差 "to differ" or 离 "to be away from".
