非被強迫的,自然的,不勉強的
unforced adj 1: not brought about by coercion or force; "the confession was uncoerced" [syn: {uncoerced}, {willing}] 2: not resulting from undue effort; not forced; "a voice with a pleasingly unforced quality"; "his playing is facile and unstrained" [syn: {unstrained}]