Terms for subject Proverb containing concerned

English	Russian
display concern for	принять участие (someone)
display concern for	принимать участие (someone)
it's no concern of mine	моя изба с краю, я ничего не знаю
it's no concern of mine	моя изба с краю
used to mean: it is none of our my business and no concern of ours mine he cares not whose child cry, so his laugh	моё дело сторона
used to mean: it is none of our my business and no concern of ours mine he cares not whose child cry, so his laugh	наше дело сторона