No (adv): used before adjectives and adverbs to mean ‘not’ (source)
She's feeling no better this morning.
Reply by no later than 21 July.
good (adv): (especially North American English, informal) well
(source)‘How's it going?’ ‘Pretty good.’
(non-standard) Now, you listen to me good!
is it idiomatic to say "speak English no well" & "speak English no good"?
Best Answer
For your example phrase
would be a better choice, however, more idiomatic would be
using "well" (adverb) with speak (verb) instead of "good" (adjective)
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