a.

1. 無情的；嚴厲的；殘忍的
   We had a grim struggle before we won.

   我們經歷了一場惡鬥才贏得勝利。

2. 堅強的，不屈的
   We climbed to the top of the mountain with grim determination.

   我們懷著堅強的決心爬上山頂。

3. 陰森的，令人生畏的；猙獰的
   He had a grim look on his face.

   他臉上露出冷酷的神情。

4. 可怕的，恐怖的
5. 【口】討厭的；糟糕的

adj.

1. very serious or gloomy.
   ▸(of humour) black or ironic.
2. unappealing, unattractive, or depressing.