任其自然

to let things take their course (idiom) / to leave it to nature / laissez-faire

surname Ren / Ren County 任縣|任县[Ren2 Xian4] in Hebei

to assign / to appoint / to take up a post / office / responsibility / to let / to allow / to give free rein to / no matter (how, what etc) / classifier for terms served in office, or for spouses, girlfriends etc (as in 前任男友)

his / her / its / their / that / such / it (refers to sth preceding it)

self / oneself / from / since / naturally / surely

nature / natural / naturally

correct / right / so / thus / like this / -ly