unforced

剑桥词典

(of an error ) caused by a mistake a player has made rather than as the result of their opponent's skilful play
主動的（失誤）

done as a result of your own decision , rather than being forced by someone else
非強迫的，自願的
an unforced agreement between individuals about what to do 個人之間對如何行動的自主協議

happening or done without any effort
不費勁的，不勉強的，自然的
natural , unforced laughter 自然且自發的笑聲 返回 unforced