unintentional

a.非故意(做)的，无心的

unify, unilateral, unilaterally, unimaginative, unimpassioned, unimpeachable, unimpeachably, unimpeded, unimportant, unimpressed, unimpressive, uninformative, uninformed, uninhabitable, uninhabited, uninspired, uninspiring, unintelligible, unintelligibly, unintended, uninterested, uninteresting, uninviting, union, unionism, unionist, unionization, unionisation, unionize, unionise, unique, uniquely, uniqueness, unisex, unison, unit, unit price, unit trust (Brit) (US `mutual fund), Unitarian, Unitarianism, unitary, unite,