to improve one’s skill or knowledge
誰かのスキルや知識を向上させる (sude ni mananda chishiki ya sukiru o kōjō saseru koto)
"She decided to brush up on her painting techniques."
"彼女は自分の絵画技術を向上させることに決めました。" (Ōkina kaigi no mae ni, watashi wa purezentēshon sukiru o **brush up on** suru hitsuyō ga arimasu.)
to do extremely well on a test
to keep trying until you succeed
high-quality content is the most important factor for succes...
a person who provides strong support or comfort
a kind and reliable person
to amaze or astonish someone
