1 (wiktionary) 2 (zh.wikipedia) 3 (en.wikipedia) 4 (glosbe)

Compounds Expand your vocabulary by studying more complex words built by the 'core words'.

HSK 3.0 (2022)	Big5	Gb	Pin	Eng
2	改	改	gǎi	alteration, rectification, transformation, change, correct, put ... right, transform, rectify, revision, switch over to, ameliorate, revise, put right, amend, correction, gybe, alter
3	變化	变化	biànhuà	change, transformation
3	改造	改造	gǎizào	recast, rebuild, re-form, reconstruct, remake, transformation, remould, transmake, reform, transform, remodel, reorganize, retread, remold, remodify, reshape, remoulding, redo, alter, recreate, transmute, make over, refashion, revamp
6	變換	变换	biànhuàn	to transform, to convert, to vary, to alternate, a transformation