茶餘飯後

leisure time (over a cup of tea, after a meal etc)

tea / tea plant / CL:杯[bei1],壺|壶[hu2]

back / behind / rear / afterwards / after / later / post-

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

surname Yu

variant of 餘|余[yu2], remainder

cooked rice / CL:碗[wan3] / meal / CL:頓|顿[dun4] / (loanword) fan / devotee