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performance; trick; feat; stunt
extraordinary deed; daring act; bold move
サーカスで驚くべき芸当を見た。
I saw an amazing feat at the circus.
その芸当は誰にも真似できない。
That trick cannot be imitated by anyone.
彼の芸当に観客は息をのんだ。
The audience gasped at his performance.