Tā de fāyán bùguò shì huázhòng-qǔchǒng, méiyǒu shízhì nèiróng.
His speech was nothing but grandstanding - it had no real substance.
Tips
memory
哗 = clamour, noise, 众 = crowd, 取 = to seek or gain, 宠 = favour or affection. Literally: 'make noise at the crowd to gain their favour' - a perfect picture of a demagogue or attention-seeker performing for applause rather than speaking truth.