Correct

凶险

/ xiōngxiǎn / 
Strokes

Definition

dangerous/ruthless/treacherous

Example

As an Adjective

critical

1
Bìngqíng
病情
xiōngxiǎn
凶险

be critically ill

As an Adjective

ruthless and treacherous

2
Yòngxīn
用心
xiōngxiǎn
凶险

be sinister/treacherous