vitriol
noun /ˈvɪtriəl/
/ˈvɪtriəl/
[uncountable] (formal)- very cruel and bitter comments or criticism
synonym abuse尖刻无情的话(或批评) 词源late Middle English (denoting the sulphate of various metals): from Old French, or from medieval Latin vitriolum, from Latin vitrum ‘glass’.