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。

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。

One of the clumsier faux pas is when a customer fails to inform the master in advance of dislikes or allergies.

另外，有一种更笨拙的失误行径，就是顾客没事前告知寿司师傅他不喜欢什么或者对什么有过敏反应。

Sitting in the entrance, he tried to make the blackthorn wand levitate small stones at his feet; but his magic still seemed clumsier and less powerful than it had done before.

他坐在帐篷口，试着用黑刺李木魔杖让脚边的小石头升起，但魔法好像还是不如以前流畅有力。