apprehensive「apprehensive」是形容憂心忡忡,甚至有「戒慎恐懼」的意味,例如:I was a little apprehensive about the effects of what I had said.(我對剛才所講的內容會有哪些影響,感到憂心。)The flight long delay has made those tourists quite apprehensive.(航班的長時間延誤,讓那些遊客頗為擔憂。)The prospective graduate was deeply apprehensive about her future.(準畢業生對她的未來深感憂慮。)collapse「collapse」是 「倒塌、瓦解、崩潰」,例如:This tiny country's economy is on the point of collapse.(這個小國的經濟正處於崩潰的邊緣。)The ancient museum was in imminent danger of collapse.(這座古老的博物館瀕臨倒塌的危險。)The unexpected rainstorm caused the collapse of the roof.(突如其來的暴雨導致屋頂倒塌。)distinguish「distinguish」是 「分辨、區別」,例如:Distinguish what is worth reading, you have no time to waste.(區分值得閱讀的內容,你沒有時間可以浪費了。)The confused boy could no longer distinguish between illusion and reality.(這個被搞昏頭的男孩,無法區分虛幻與現實了。)It was hard to distinguish one twin from the other.(區分一對雙胞胎是很艱難的事。)