意思不同，competence是能力的意思，而performance是表現的意思。Competence是名詞，作名詞時意為“能力，勝任；權限；作證能力；足以過舒適生活的收入”。Performance也是名詞，意思是“性能；績效；表演；執行；表現”。
Competence的例句
Would you say you had the competence for handling money?
您認為您有理財的能力嗎？
She added her name to the list on the noticeboard.
她把自己的名字加在了布告欄上的名單裏。
It has beyond the competence of the court.
它已經超出法院的權限。
Performance的例句We have looked grand sight performance of firework at New Year's Eve.
除夕我們觀看了壯觀的煙火表演。
He failed completely in the performance of his duty.
他完全沒有履行他的職責。
The performance of such an analysis is very complicated, but the results are simple.
要完成這樣壹個分析是極為復雜的，但所得結果卻是簡單的。