[up to one's ears] {adv. phr.} Immersed in; covered with. * […]

[up to one's neck] {adv. phr.} Overwhelmed with; submerged in. * […]

[up to par] or {informal} [up to scratch] or {informal} [up […]

[up to scratch] See: [UP TO FAR].

[up to snuff] See: [UP TO PAR].

[up to the chin in] or [in --- up to the […]

[up to the hilt] See: [TO THE HILT].

[up to the last minute] {adv. phr.} Until the last possible […]

[up to the mark] See: [UP TO PAR] (2).

[up-and-coming] {adj. phr.} Bound toward success; upwardly mobile; progressive; ambitious. * […]