Judging from his grim expression, something bad happened.

从他的闷闷不乐的表情来看，应该是有不好的事情发生了。

I hope the grim day will be over quickly.

我希望令人沮丧的一天能很快过去。

No one can understand his grim heart.

没人能知道他残忍的内心。

The environment of the factory is grim. Nobody wants to work there.

这个工厂的环境很糟糕 没人想在那里工作

His sense of humor is so grim – he’s always telling jokes about dead people.

他的幽默感很糟糕——他总是开死人的玩笑。

He accepted the court's verdict with grim resignation.

他冷酷地接受了法庭的判决。

They painted a grim picture of growing crime.

他们描绘了一个犯罪增长的严酷局面。

In this grim little episode of recent American history, few people come out well.

在这一小段严酷的美国近代历史中，没几人结果很好。

The outlook is pretty grim.

前景令人甚感忧虑。

I feel grim this morning.

我今天早上感到不舒服。

She looked grim.

她表情严肃。