perform的名词performance；
performance：n.表演；演出；艺术上的表现；演技
It was a performance with star quality written all over it.
这次演出显然明星气派十足。
It's a fine performance that commands attention from first to last.
这是个精彩的演出，自始至终都扣人心弦。
He swept into the lead with an almost perfect performance.
他以几近完美的表现跨入领先位置。
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