to send a letter or message to express gratitude or appreciation
发送信件或信息以表达感激或感谢 (fāsòng xìnjiàn huò xìnxī yǐ biǎodá gǎnjī huò gǎnxiè)
"I plan to write to my old professor to thank him for his support."
"我计划给我的老教授写信，感谢他给予的支持。" (wǒ jìhuà gěi wǒ de lǎo jiàoshòu xiěxìn, gǎnxiè tā jǐyǔ de zhīchí)
to continue doing something difficult until the end
to give someone money so they stop bothering you; to bribe
to change from one job or career path to another
to suddenly start burning
to gain knowledge or understanding of something new
to start a conversation or friendship
