厚度: thickness...
失眠: to suffer from insomnia...
大: large, big, size...
过奖: to overpraise, to flatter...
鉴赏: to appreciate (as a connoisseur)...
生病: to fall ill...
理直气壮: in the right and self-confident (idiom); bold and confident with justice on one's side, to have the courage of one's convictions, just and forceful...
尝试: to try, to attempt...
无家可归: homeless...
听讲: to attend a lecture, to listen to a talk...