wicked
adj
(-er, -est)
1 (of a person or his actions) morally bad; sinful or evil (指人或人的行为)不道德的, 缺德的, 邪恶的
That was very wicked of you. 你干的事可真缺德.
a wicked deed, lie, plot 邪恶的行为、 谎言、 阴谋
(fig 比喻) wicked (ie very high) prices 邪乎的(极高的)价格
wicked (ie very bad or unpleasant) weather 糟糕的天气.
2 intended to harm or capable of harming 意欲伤害的; 有伤害能力的
a wicked blow 意欲打伤的一击
a wicked-looking knife 杀气腾腾的刀.
3 mischievous 淘气的; 顽皮的
a wicked sense of humour 恶作剧的幽默感.
I suggest that we ask users of this machine what they think about it. We can photograph them using it too. Then we can put their comments at the top of the advertisement in big print. We can bring in some humour too. People enjoy reading humorous ads.