1.失敗, 無法實現, 成為泡影Owing to lack of funds the scheme fell through. 因為缺乏資金, 整個計劃成了泡影。Our holiday plans fell through because of transport strikes. 我們的假期計劃因運輸業工人罷工而成泡影。
2.不能踐約, 失約I have made an appointment with him, but I am afraid he will fall through. 我已約好和他會面, 可是我怕他會失約。
【俚】受...的騙, 上...的當; 對...信以為真The salesman said the car was in good condition, and I was foolish enough to fall for it. 推銷員說這輛汽車狀況良好, 而我那麼傻竟然信以為真。Many people fell for his tricks. 許多人上了他的當。
瓦解;碎裂The Soviet Union fell apart in 1991, when many East European Republics formerly under the Soviet Union declared their independence. 蘇聯於1991年解體,原本屬於蘇聯的一些東歐小國紛紛獨立。