Analyzer
Sentence analysis
6Spans
Sentence
Span Details
彼ら
they; thempronoun
は
topic markergrammar
改革
reform; reorganization; overhaulnoun, suru verb
に
direction, time, indirect object, or target markergrammar
着手
start work; set about; embark on; commencement (of a crime); playing (a move)noun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar