to suddenly make a lot of money
突然赚很多钱 (tūrán zhuàn hěn duō qián)
"They struck it rich after investing in that startup."
"他们在投资该初创公司后突然赚了很多钱。" (Tāmen zài tóuzī gāi chūchuàng gōngsī hòu tūrán zhuànle hěn duō qián.)
To be very close friends who share secrets.
when something is difficult to learn, usually quickly
you shouldn't form an opinion on someone or something based...
to start doing something with enthusiasm
an unpleasant fact or situation to accept
to say something without deep thinking or preparation
