not have a good word to say for sb/sth

/nɒt hav ɐ ɡʊd wɜːd tə seɪ fɔː ˌɛsbˈiː slaʃ ˌɛstˌiːˈeɪtʃ/

/nɑːt hæv ɐ ɡʊd wɜːd tə seɪ fɔːɹ ˌɛsbiː slˈæʃ ˌɛstˌiːˈeɪtʃ/

to not have a good word to say for sb/sth

to have a very negative opinion about someone or something and to be unable to say anything positive or complimentary about them