油嘴

油嘴	yóu zuǐ	eloquent and cunning / silver tongued
油	yóu	oil / fat / grease / petroleum / to apply tung oil, paint or varnish / oily / greasy / glib / cunning
嘴	zuǐ	mouth / beak / nozzle / spout (of teapot etc) / CL:张,个