HSK C5/W3
Correct

/ xīn /
Strokes

Definition

(of taste) hot or pungent/hard/laborious/suffering/eighth in order/eighth of the ten Heavenly Stems 十天干[shí tiān gān]/letter "H" or Roman "VIII" in list "A, B, C", or "I, II, III" etc/ancient Chinese compass point: 285°/octa

Example

As an Adjective
hot (in flavour); pungent
As an Adjective
hard; laborious
As an Adjective
sad; miserable
As a Noun
xin [eighth of the ten Heavenly Stems(天干)]