I go/went broke. idiom meaning
a. to become destitute of money or possessions.
b. to go bankrupt: In that business people are forever going broke.
broke - adjective meaning penniless or without money.
My English is broken.- correct, or
I still speak broken English.
broken - adjective meaning imperfectly spoken, as language, or
broken = spoken in a halting or fragmentary manner, as under emotional strain: He uttered a few broken words of sorrow.
broken - Definitions from Dictionary.com
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