in common: having the same interests, attitudes, etc I haven 't a thing in common with my father The boy and the girl have much in common in personality common used as adjective This bird is common throughout in Europe.(常见的) Britain and america share a common language. (#J 的) It is common knowledge that the traffic situation in the city is bad.(人所共知的事) Though he wasnt well educated, his common sense guided him through life.(头脑、见地)in common: having the same interests ,attitudes, etc. • I haven’t a thing in common with my father. • The boy and the girl have much in common in personality. common used as adjective • This bird is common throughout in Europe. (常见的) • Britain and America share a common language. （共同 的） • It is common knowledge that the traffic situation in the city is bad. (人所共知的事) • Though he wasn’t well educated, his common sense guided him through life. (头脑、见地)