恐ろしい夢を見た

I had a terrible dream

→ 恐ろしい
phrase Rare #34,433
I had a terrible dream Japanese uses 見る (to see) for having a dream; 恐ろしい means frightening or terrible.
JA: 昨夜、恐ろしい夢を見た。
EN: I had a terrible dream last night.

弟が昨晩恐ろしい夢を見たと言っている。

My younger brother says he had a terrifying dream last night.

私は恐ろしい夢を見た。

I had a terrifying dream.

昨夜、恐ろしい夢を見た。

I had a terrifying dream last night.

昨晩恐ろしい夢を見た。

I had a terrifying dream last night.