yet (used with negated verbs) / still / also, too; another / even, still, yet, to a larger degree, emphasizes a comparative / Emphasizes a positive element among bad elements even so / Expresses concern hope maybe / Expresses that something has exceeded a normal amount on top of that / even (in reality; implying an extreme example in the case mentioned) / at least / Expresses discontent / The meaning of this term is uncertain.

(colloquial, idiomatic) a likely story! yeah, right!, nothing of the kind!, over my dead body!, tell me another!

(idiomatic) and how

(intransitive, idiomatic) to not give up

(intransitive, idiomatic) to not give up