unbutton

v [Tn] undo the buttons of (a jacket, etc) 解开（上衣等）的钮扣.

unbelievably, unbeliever, unbelieving, unbend, unbending, unbiased, unbidden, unbind, unblemished, unblushing, unblushingly, unborn, unbounded, unbowed, unbreakable, unbridled, unbroken, unbuckle, unburden, unbusinesslike, unbuttoned, uncalled-for, uncannily, uncanny, uncared-for, unceasing, unceasingly, unceremonious, unceremoniously, uncertain, uncertainly, uncertainty, unchallenged, unchangeable, unchanging, uncharacteristic, uncharitable, uncharitably, uncharted, unchecked,