1.b> , ; , ; he had an unhappy childhood / ; ; an unhappy marriage / ; to look unhappy ;
2.b> (about, at, with) ; they were unhappy with their accommodation , ; he was unhappy at being left out of the team , ; many were unhappy about the scale of the cuts ;
3.b> , ; , ; an unhappy coincidence / ; an unhappy remark / ; it was an unhappy choice of words / .