CORE WORDS

essential adj. essentially adv.

HSK 3.0	Big5	Gb	Pin	Eng
3	基本	基本	jīběn	fundamental, essential, main
6	本質	本质	běnzhì	suchness, basic nature, intrinsic quality, substantial, essentiality, innate character, entity, essential quality, basics, inbeing, essential, nature, self, feather, intrinsic, quiddity, being, substance, metal, quintessence, principle, kind, hypostasis, essence, fiber, internal, spirit, inwardness, woof, basis, gist
6	要素	要素	yàosù	basics, ingredient, essential, key element, constituent, fashioning, element, core, making, stuff, essential factor, factor, essence, strand, elemental, devising, chemistry, requisite, momentum
6	主流	主流	zhǔliú	main stream/current, essential/main aspect/trend
7	必不可少	必不可少	bìbùkěshǎo	absolutely necessary, indispensable, essential
7	綱要	纲要	gāngyào	outline, essential points
7	要點	要点	yàodiǎn	nub, head, essentials, highlight, core, effect, message, issue, detail, key strongpoint, kernel, hinge, upshot, best, capitulation, item, essential, point, salient point, substance, outline, main points, crux, essence, burden, knot, salience, pith, pivot, sum, marrow, gist
7	要領	要领	yàolǐng	main aspects, essentials, gist
7	至關重要	至关重要	zhìguānzhòngyào	extremely important, vital, crucial, essential