“筷子”的拼音为：kuài zi...

他用 筷子 不大熟练.He's not very skilful with his chopsticks [ at using chopsticks ] .她用 筷子 不大熟练.She's not very skil ( l ) ful with her chopsticks [ at using chopsticks ] .他买了十二双筷子.He bought a dozen of chopsticks....

“筷子”的英语可以翻译为：chopsticks ...