unusual

a.不寻常的，独特的

untiring, untiringly, untitled, untold, untouchable, untouched, untoward, untrammelled (US also untrammeled), untreated, untried, untrue, untrustworthy, untruth, untruthful, untruthfully, untruthfulness, unturned, untutored, unusable, unused, unusually, unutterable, unutterably, unvaried, unvarnished, unveil, unversed, unvoiced, unwaged, unwanted, unwarily, unwariness, unwarrantable, unwarranted, unwary, unwelcome, unwholesome, unwieldiness, unwieldy, unwilling,