气管: windpipe, trachea, respiratory tract, air duct, gas pipe...
主席: chairperson, premier, chairman...
喧闹: to make a noise, noisy...
鹿: deer...
不得而知: unknown, unable to find out...
写作: to write, to compose, writing, written works...
心安理得: to have a clear conscience, to have no qualms about sth...
批: to ascertain, to act on, to criticize, to pass on, classifier for batches, lots, military flights, tier (for the ranking of universities and colleges)...
舅舅: mother's brother, maternal uncle (informal)...
任: to assign, to appoint, office, responsibility...