I'm afraid I'm feeling pretty bad.

很抱歉，我觉得很不舒服。

《牛津词典》

The smoke got pretty bad, though, and when I made my exit, a crowd and the police were there to greet me.

尽管如此，烟还是很浓，我走出去的时候，警察和一群人在门口迎接我。

youdao

I had a pretty bad cold.

我得了很重的感冒。

《柯林斯英汉双解大词典》

Problems are unemployment, drugs,gangs,it is pretty bad out here,pretty bad."

VOA: standard.2010.02.24

For instance in the past, we had that silly little program for computing the average of some quizzes and it was actually a pretty bad implementation because I had essentially hard coded in the number of quizzes.

比如在以前，我们做了一个,计算平均数的程序,这是一个相当挫的实现,因为我硬编码了测试的数字。

哈佛公开课 - 计算机科学课程节选

S**t, I mean. It's pretty bad. I mean.

我的意思是，非常糟糕。

机会之地，伦敦 - SpeakingMax英语口语达人

Breen, who now heads corruption-wracked Tyco, won't talk, but the problems are pretty bad.

FORBES: A Mess at Motorola

"It was pretty bad" during the early summer, says Zhou Qingzhi (No. 43) .

FORBES: Revolution by Block

"It has to be pretty bad before you give the order to abandon ship, " he said.

WSJ: Heavy Seas Claim Replica of HMS Bounty