acute

steep decline

to sharpen

firm determination

acute determination; dauntless

acute; astute; perceptive

Reebok (sportswear manufacturer)

acute spirit; dash; drive

acute angle

(neologism) incisive commentary (abbr. for 銳利評論|锐利评论[rui4 li4 ping2 lun4])

to advance; to rush forward

unstoppable; hard to hold back