lackluster

The team's lackluster performance resulted in a predictable loss.

(Chinese) 球队平庸的表现导致了一场预料之中的失败。

Critics described the actor's latest film as a lackluster effort compared to his earlier work.

(Chinese) 影评人称这位演员的最新电影与其早期作品相比显得乏善可陈。