top-gear

例句：

1. 1.The car is in top gear for the race.
   这辆车在比赛中跑得最快。
2. 2.She's at top gear when it comes to cooking.
   她在烹饪方面处于最高水平。
3. 3.The team is aiming for top gear in the upcoming competition.
   该团队正努力在即将到来的比赛中达到最佳状态。