汉译英吧~!
1,竞争导致了更高的效率和速度．
Competition has led to greater efficiency and speed.
2,他真是不可救药,惩罚对他几乎毫无用处．
He is really hopeless, punishing him almost useless.
3,当他被那位可爱的姑娘拒绝时,他的确尝到了失败的滋味．
When the girls refused, he was charming, he has tasted the taste of defeat.
4,这位绅士不仅支付不起房租,他还找不到任何体面的工作．
This gentleman not only can not afford to pay rent, he can not find any decent work.
5,找一个好的担保人意味着你的生意成功了一大半．
You find a good guarantor of the success of a business means that the most of them.