smooth-tongued

adj.

油嘴滑舌的，花言巧语的；嘴甜；

1. People don't trust those smooth businessmen.
   人们不相信那些油嘴滑舌的生意人。
2. He had a smooth drawling voice.
   他说起话来油嘴滑舌，带着拖腔。

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JONES, Midways, Judges, and Smooth-Tongued Fakirs: The Illustrated Story of Country Fairs in the Prairie West
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The Whitest Girl