旧地
once familiar places; former haunts
就地取材
to draw on local resources; using materials at hand
就地正法
to execute on the spot (idiom); summary execution; to carry out the law on the spot
旧地重游
to revisit old haunts (idiom); down memory lane
追根究底儿
erhua variant of 追根究底[zhui1 gen1 jiu1 di3]