宇航员: astronaut...
集合: to gather, to assemble, set (math.)...
经理: manager, director...
劝阻: to advise against, to dissuade...
采集: to gather, to collect, to harvest...
胡子: beard, mustache or whiskers, facial hair, (coll.) bandit...
悠闲: leisurely, carefree, relaxed...
辩论: debate, argument, to argue over...
前年: the year before last...
战士: fighter, soldier, warrior...
