46：台风看起来似乎就要来了。(As if)
47：他曾在亚洲到处漂流。(knock about)
48：我们只有了解更多，才能改善环境。(be able to)
49：一次初哀为寻求知识的旅行现在需要的则是勇气了。(start out,call for)
50：他很快便发现自己与新同事和睦相处。(in harmony)
參考答案:46: The typhoon looked like as if must come. (As if) 47: He once everywhere wandered in Asia. (knock about) 48: We only the understanding to be more, can improve theenvironment. (be able to) 49: At the beginning of the sorrow for sought the knowledge thetravel now to need is the courage. (start out, call for) 50: He very quick then discovered oneself lives together inpeace and harmony with the new colleague. (in harmony)
