riveting

那场魔术表演如此扣人心弦，观众们都屏住了呼吸。

The magic show was so ___riveting that the audience held their breath.

那部电影的剧情非常扣人心弦，让人从头到尾都目不转睛。

The ___riveting plot of the movie kept me on the edge of my seat from start to finish.