HSK C7-9
Correct

/ ruì /
Strokes

Definition

acute

Example

As an Adjective

(of objects) sharp; keen; acute; pointed

As an Adjective

(of senses) sharp; keen; acute; sensitive; (of persons) energetic; robust; potent; vivacious

As a Noun

vigour; vitality; keenness; fighting spirit; strength

As an Adverb

rapidly; suddenly