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gaudy; showy; garish; loud
crooked; vicious; wicked; nasty; unscrupulous; dishonest
あくどい色の組み合わせで目が痛い。
The garish color combination hurts my eyes.
あの業者のあくどい商法に騙された。
I was deceived by that dealer's unscrupulous practices.
あくどい商売で一時は儲けたが破綻した。
The shady business made money for a while but eventually collapsed.