hellish

hellish
adj
1 of or like hell （似）地狱的.
2 (infml 口) extremely unpleasant 极不愉快的
    His schooldays were hellish. 他的学生时代苦不堪言. adv (infml 口) extremely 极端地
    hellish expensive 贵得要命.

牛津英汉双解词典