unhappy

a.不幸的，悲惨的；不高兴的

unfurl, ungainliness, ungainly, ungenerous, unget-at-able, unglazed, ungodly, ungovernable, ungracious, ungraciously, ungrammatical, ungrammatically, ungrateful, ungratefully, ungrudging, unguarded, unguent, unguided, unhappily, unhappiness, unhealthily, unhealthiness, unhealthy, unheard, unheard-of, unheroic, unhesitating, unhinge, unholiness, unholy, unhoped-for, unhorse, unhurt, uni-, UNICEF, unicellular, unicorn, unidentified, unidimensional, unidirectionally,