死有余辜

death cannot wipe out the crimes (idiom); dreadful crimes that rankled even after the perpetrator is dead

(idiom) to be so evil that even death would be insufficient punishment

to die / impassable / uncrossable / inflexible / rigid / extremely / damned

to have; there is / (bound form) having; with; -ful; -ed; -al (as in 有意[you3 yi4] intentional)

to have an abundance

surname Yu

(archaic) I / me / variant of 餘|余[yu2], surplus

extra / surplus / remaining / remainder after division / (following numerical value) or more / in excess of (some number) / residue (math.) / after / I / me

surname Gu

crime / sin