1·His clumsiness embarrassed him.
他的笨拙令他尴尬。
—— 《柯林斯英汉双解大词典》
2·The man took a sip from his glass, spilling the liquor when he put it down. He apologized for his clumsiness.
男人从杯中喝了一口酒，把杯子放下时洒出一点酒在桌上，他为自己的笨拙道了谦。
3·Other symptoms include indigestion, loss of appetite, difficulty concentrating, memory problems, clumsiness, feeling generally unwell, lack of energy, fatigue and irritability.
其他症状包括消化不良、没有胃口、难以集中精神、记忆有问题、笨拙、总体感觉不好、缺乏精力，疲倦和易怒。
4·XML namespaces seem simple on their face, but buried in their nuances is the danger of real complexity and clumsiness if you don't take care while using them.
XML 名称空间表面上看起来似乎很简单，但如果使用的时候漫不经心，细微之处就隐藏着真正的复杂和笨拙。
5·One of the well-known limitations of Web applications, of course, is their clumsiness at updates — essentially the whole client window must refresh.
Web应用程序的一个众所周知的局限性当然是它们在更新方面的笨拙——尤其当整个客户端窗口必须刷新时。