英语语法分析

I'd never seen a clumsier, less coordinated boxer.

我还从未见过更加笨拙、更不协调的拳击手。

《柯林斯英汉双解大词典》

Toads have shorter legs and are generally clumsier than frogs.

蟾蜍的腿比青蛙短，而且通常比青蛙丑。

Some American kids sneered at me when I spoke. I was embarrassed, and this made my speaking even clumsier.

正因此，一些美国孩子总在我讲话的时候讥笑我，我很是尴尬，然后话就更说不溜了。