The mountain road bends treacherously.

山路蜿蜒曲折。

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Marlowe was killed by a man whom he was treacherously trying to stab.

马洛背信弃义正想捅死一人，结果被那人所杀。

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And he said, You have dealt treacherously. Roll a large stone to me today.

扫罗说，你们行事不忠了，今日要将大石头辊到我这里来。

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Conditions were likely to become treacherously icy as sub-zero temperatures continued, experts warned.

BBC: Temperatures fall to -11C in parts of Somerset

Until that is over, in February, no candidate is likely even to hint at flexibility towards Turkish-Cypriots for fear of being thought treacherously weak.

ECONOMIST: It needs defusing if Europe��s clubs are to expand

One number on his Ellington album, "Jubilee Stomp" a treacherously difficult stride piece arranged by Dick Hyman sounded so right that Mr. Hyman's wife couldn't tell the difference between Mr. Thibaudet's version and her husband's.

WSJ: Jean-Yves Thibaudet | A Classicist in the Modern Age | Cultural Conversation by Stuart Isacoff