to improve one’s skill or knowledge
提高某人的技能或知识 (tígāo nǐ yǐjīng xuéguò de zhīshì huò jìnéng)
"She decided to brush up on her painting techniques."
"她决定提高她的绘画技巧。" (Zài dà huìyì zhīqián, wǒ xūyào **brush up on** wǒ de yǎnjiǎng jìqiǎo.)
to dismiss something by treating it as a joke
to find a way to outsmart or bypass a system's logic
to repair a damaged relationship
to give everything you can to help someone
the world considered as a single community due to technology...
To do something in a different way from what is usually done