颁奖典礼上，那位配角演员不断用夸张的表演抢主角的风头。

At the award ceremony, the supporting actor kept ___upstaging the lead with over-the-top performances.

那位配角站得太靠前，无意中抢了主角的风头。

The supporting actor stood too far forward, ___upstaging the lead actor unintentionally.