thankless
131To look a gift horse in the mouth — Horse Horse (h[^o]rs), n. [AS. hors; akin to OS. hros, D. & OHG. ros, G. ross, Icel. hross; and perh. to L. currere to run, E. course, current Cf. {Walrus}.] 1. (Zo[ o]l.) A hoofed quadruped of the genus {Equus}; especially, the domestic horse… …
132To show the teeth — Tooth Tooth (t[=oo]th), n.; pl. {Teeth} (t[=e]th). [OE. toth,tooth, AS. t[=o][eth]; akin to OFries. t[=o]th, OS. & D. tand, OHG. zang, zan, G. zahn, Icel. t[ o]nn, Sw. & Dan. tand, Goth. tumpus, Lith. dantis, W. dant, L. dens, dentis, Gr. odoy s …