Noviro
坚固
HSK4
Simplified 坚固
Traditional 堅固
Pinyin jiān gù
Definition firm; firmly; hard; stable
这个门很坚固
Zhège mén hěn jiāngù
This door is very sturdy
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固
gù
hard; strong; solid; sure; assuredly; undoubtedly; of course; indeed; admittedly
固定
gù dìng
to fix; to fasten; to set rigidly in place; fixed; set; regular
HSK4
巩固
gǒng gù
to consolidate; to strengthen; firm; solid; stable
HSK6
固执
gù zhí
obstinate; stubborn; to fixate on; to cling to
顽固
wán gù
stubborn; obstinate
牢固
láo gù
firm; secure
凝固
níng gù
to freeze; to solidify; to congeal; fig. with rapt attention
加固
jiā gù
to reinforce (a structure); to strengthen