One should not unappreciatively question or inspect a gift too closely.

(idiomatic) The identified person appears to be benign, mild-mannered, or calm (but with an integral suggestion that, to the contrary, he or she really is untrustworthy, disagreeable, or mean-spirited).

present participle of put one's money where one's mouth is

Third-person singular simple present indicative form of put one's money where one's mouth is

simple past tense and past participle of put one's money where one's mouth is

Alternative form of you kiss your mother with that mouth

Alternative form of laugh on the other side of one's face

To make or take a bet. / (idiomatic) To take an obvious stake in the truth of a claim that one is making.

plural of mouthful

Characterised by the mouth or by mouthiness; mouthy