Correct

刚硬

/ gāng yìng / 
Strokes

Example

As an Adjective

firm; unyielding; unbending; inflexible

1
Xìnggé
性格
gāngyìng
刚硬

have a strong character

As an Adjective

tough; strong

2
Gāngyìng
刚硬
de
的
cuòcí
措辞

strong and uncompromising words

3
Yǔqì
语气
gāngyìng
刚硬

tough tone

As an Adjective

hard; solid; stiff

4
Gāngyìng
刚硬
de
的
mùcái
木材

hard timber