HSK C4
Correct

/ gù /
Strokes

Definition

hard/strong/solid/sure/assuredly/undoubtedly/of course/indeed/admittedly

Example

As an Adjective
firm; solid; secure; steadfast
As a Verb
solidify; consolidate; strengthen; reinforce
As an Adjective
solid; hard; stiff; rigid
As an Adjective
stubborn; obstinate; adamant; tenacious (of)
As an Adverb
firmly; resolutely