unabashed

adj (fml or joc 文或谑) not ashamed, embarrassed or awed, esp when there is reason for being so 不害羞的, 不难为情的, 无敬畏之心的（尤指有原因令人害羞、 难为情等时）: Tim appearedunabashed by all the media attention. 蒂姆成了传播媒介的焦点, 却也满不在乎.

ultrasonic, ultrasound, ultraviolet, ululate, ululation, Ulyanovsk, umber, umbilical, umbilical cord, umbilicus, umbra, umbrage, umbrella, umlaut, umpire, umpteen, umpteenth, un, un-, un-American, unabated, unable, unabridged, unacceptable, unacceptably, unaccommodating, unaccompanied, unaccountable, unaccountably, unaccounted, unaccustomed, unacknowledged, unadopted, unadulterated, unaffected, unaffordable, unafraid, unaided, unalloyed, unalterable,