头: head, suff. for nouns...
败: to defeat, to damage, to lose (to an opponent), to fail, to wither...
致使: to cause, to result in...
单一: single, only, sole...
统一: to unify, to unite, to integrate...
社交: interaction, social contact...
转告: to pass on, to communicate, to transmit...
巨大: huge, immense, very large, tremendous, gigantic, enormous...
夺: to seize, to take away forcibly, to wrest control of, to compete or strive for, to force one's way through, to leave out, to lose...
心安理得: to have a clear conscience, to have no qualms about sth...
