lit. if it's wrong, it's wrong (idiom); to make the best after a mistake
to accept an error and adapt to it
to muddle through
Definitions (粵典–words.hk)
語句
做錯咗反而唔補救,索性利用佢獲得最大嘅好處 to leave a mistake uncorrected and make the best of it
佢倒瀉墨水,將錯就錯就畫咗呢幅畫喇。
佢倒泻墨水,将错就错就画咗呢幅画喇。
keoi5 dou2 se2 mak6 seoi2, zoeng1 co3 zau6 co3 zau6 waak6 zo2 ni1 fuk1 waa2 laa3. He accidentally spilt the ink. Then he decided to make the best of it, and painted this picture.
Definitions (Wiktionary)
phrase, idiomatic
to continue doing a thing that has been done incorrectly while adapting to the error made