功臣: minister who has given outstanding service...
合同: (business) contract...
刷牙: to brush one's teeth...
插座: socket, outlet...
发烧: to have a high temperature (from illness), to have a fever...
窍门: a trick, an ingenious method, know-how, the knack (of doing sth)...
头疼: headache...
通报: to inform, to notify, to announce, circular, bulletin, (scientific) journal...