如何使用 "naught" 造句

1. Otherwise it 's all for naught !
不然这全都是无用功!
2. Yet all this may be for naught .
然而这些优势可能都没用。
3. But his push may be for naught : americans have become allergic to spending .
但是他的努力可能付之东流:美国已经对开支非常敏感了。
4. Talk of building a power plant that runs on " clean coal " has , as yet , come to naught .
建造完全依赖“清洁能源”的发电工厂的美好愿望至今看来仍是一场空。
5. Those talks , in addition to last-minute settlement negotiations ordered last month , came to naught .
这些谈判以及上个月被有关方面责令举行的最后和解谈判都无果而终。