a.

1. 无情的；严厉的；残忍的
   We had a grim struggle before we won.

   我们经历了一场恶斗才赢得胜利。

2. 坚强的，不屈的
   We climbed to the top of the mountain with grim determination.

   我们怀着坚强的决心爬上山顶。

3. 阴森的，令人生畏的；狰狞的
   He had a grim look on his face.

   他脸上露出冷酷的神情。

4. 可怕的，恐怖的
5. 【口】讨厌的；糟糕的

adj.

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