His previous attempts had been unsuccessful.
他以前的尝试没有成功。
英语常用口语 1000 句
第 80 部分
📚 句中词汇解析
从本句中提取的重要词汇
adj. 先前的;以前的;过早的;（时间上）稍前的;
adv. 在先，在…以前;
💡 pre以前+vi路[引申为走]+ous...的→以前走过的→先的，前的
"I should like to echo the words of the previous speaker."
我想重复前面一位发言者的话.
近义：introductory, onetime, back, precedent, preceding, prevenient
反义：hind, hindmost, back, postern, puisne, retral
adj. 不成功的，失败的;碌碌无为;
"a brief and unsuccessful flirtation with the property market"
对房地产市场一时兴起、并不成功的介入
近义：abortive, attempted, thwarted, unavailing, failed, faulty
反义：jammy, lucky, privileged, prosperous, thriving, thrifty