devilish

邪恶的、恶魔般的、狠毒的

He came up with a devilish plan to ruin his rival.

他想出一个邪恶的计划，要毁掉对手。

顽皮的、调皮的、坏坏的

She gave me a devilish grin and hid my keys.

她对我露出一个调皮的笑容，把我的钥匙藏起来。

棘手的、极难的、麻烦的

The last question on the test was devilish hard.

考卷最后一题难得要命。

非常、极其旧式

The soup was devilish hot, so I waited a while.

那汤烫得不得了，所以我等了一下。