HFT firms indulge in "dark arts" like placing "spoof" orders to sell shares at attractive prices.

HFT firm沉溺于像设置“欺诈”指令用有吸引力的价格售卖股份这样的“黑魔法”。

youdao

Curses, convulsions, poisonous peashooters-as much as some plants inspire poetry, others evoke the dark arts.

诅咒、抽搐、毒吹管——就像某些植物启发了诗歌一样，另外一些唤起了黑暗文学。

youdao

Strangely, she felt this awful feeling each time Ron spoke about the Defence Against the Dark Arts teacher.

可奇怪的是，每次罗恩提起这位黑魔法防御术老师，她就会感到这种恶劣的情绪。

youdao

With Brendan Gleeson, who enjoys himself hugely as a rolling-eyed defender against the dark arts.

NEWYORKER: Harry Potter and the Goblet of Fire

In a world with big computers and big data, there are no dark arts.

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Both, if true, suggest amateurism at worst, not mastery of the dark arts.

ECONOMIST: Russian espionage