鍥而不捨

to chip away at a task and not abandon it (idiom); to chisel away at sth / to persevere / unflagging efforts

to cut / to carve / to engrave / to chisel / fig. to chisel away at

and / as well as / and so / but (not) / yet (not) / (indicates causal relation) / (indicates change of state) / (indicates contrast)

no; not so / (bound form) not; un-

reluctant to part with (sth or sb) / unwilling to let go of

reluctant to part with (sth or sb); unwilling to let go of

to give up / to abandon / to give alms

to give up; to abandon / to give alms