ADJ-GRADED
（事件、经历或行动）极可恶的，非常痛苦的，令人难以忍受的
You can describe an event, experience, or action as hideous when you mean that it is very unpleasant, painful, or difficult to bear.
例句
His family was subjected to a hideous attack by the gang...
他的家人遭到了匪帮的恐怖袭击。
It's been a perfectly hideous day.
这一天真是糟糕透了。