如何使用 "able" 造句

1. Presidents have generally been able to avoid difficult reforms .
总统们基本上也能避免艰难的改革。
2. He was even able to build his own home .
他甚至有能力盖起自己的房子。
3. He is an able skewerer of sloppy thinking .
他是一个能干的凌乱思维整理者。
4. I haven 't been able to come up with anything yet .
可到目前为止,我还没有一点儿主意呢。
5. They just weren 't able to translate their vision into a viable business .
他们只是不能将他们的视频转换成盈利的商业模式。