Wǎngshàng de zhēnglùn yuèyǎnyuèliè, yǐjīng chǎo dào le rénshēn gōngjī de dìbù.
The online argument has been escalating, to the point of personal attacks.
Tips
grammar
Pattern: 越…越… ('the more X, the more Y'). Here 演 means 'to develop / unfold' (not 'to perform') and 烈 means 'intense'. So literally 'the more it develops, the more intense' — used for negative situations spiraling out of control.
mistakes
Often confused with the lookalike 愈演愈烈 (yùyǎnyùliè), which means the same thing — 越/愈 are interchangeable here. Both forms are widely accepted; 愈演愈烈 is slightly more literary.
