1. If there are no connection Types in common, the handshake response MUST be unsuccessful. 如果没有共有的连接类型，握手响应就必须是不成功的。
2. Sometimes males wander from colony to colony, casually reproducing. Unsuccessful escapees are eaten by snakes. 有时雄性鼹鼠在不同的族群间来回溜达，有时会成功生育，有时逃跑者也会遭不幸，被蛇吃掉。
3. In reality, the falsifications have been unsuccessful, which illustrates that despite its drawbacks, market mechanism is still the best mode of resource allocation presently available. 事实上，对市场机制的证伪是不成功的，这表明尽管市场机制有缺陷，但它仍然是现有的配置资源的最好方式。
4. Beer Hall Putsch : In Munich, Adolf Hitler leads the Nazis in an unsuccessful attempt to overthrow the German government. 德国纳粹党领导人希特勒率领冲锋队在慕尼克的酒馆里扣押了数名巴伐利亚的官员，啤酒馆政变发生。
5. He has been unsuccessful in his attempt to win a seat on the board of the company. 他试图在公司董事会赢得席位，却没能成功。
