您要查找的是不是：
- His plan fell flat. 他的计划失败了。
- He stumbled over a stump and fell flat on his face. 他给树桩一绊，摔了个嘴啃泥。
- His plan was opposed with fierceness. 他的计划遭到强烈的反对。
- His jokes fell flat: nobody laughed at them. 他的笑话没奏效，没有人听了发笑。
- I can't understand why your plan fell through. 我不懂你的计划为什么竟会失败。
- His plan was foredoomed to failure. 他的计画注定要失败。
- His next television venture fell flat on its face. 他的下一个电视项目丢人现眼，彻底失败了。
- The commander chalked out his plan of attack. 司令官对进攻计划作了粗略的介绍。
- His joke fell flat ause no one understand it. 他的没人听懂,所以没有收到效果。
- The general grew out his plan of action. 将军草拟了他的行动方案。
- His jokes fell flat and amused nobody. 他的笑话没有效果,谁也不感到有趣。
- The plan fell down because it proved to be too expensive. 这项计划因费用过高而告吹。
- His joke fell flat because no one understood it. 他的笑话没能使人发笑；因为没有人能听得懂。
- Finally he relinquish his plan for want of business. 因生意需要彼得只好放弃计划。
- His joke fell flat because nobody understood it. 他的笑话没有奏效, 因为大家听不懂。
- He explained his plan in some detail. 他仔细地说明了自己的计划。
- His plan ended in total failure. 他的计划以彻底失败告终。
- His speech fell flat on the audience. 他的演讲一点也引不起听众的兴趣。
- His parents vetoed his plan to buy a motorcycle. 他的父母反对他买摩托车的计划。
