to think about something that happened in the past
回想过去发生的事情 (huí xiǎng guò qù fā shēng de shì qíng)
"When I look back at my college days, I realize how much I’ve learned."
"当我回想起我的大学时光时,我意识到我学到了多少。" (dāng wǒ huí xiǎng qǐ wǒ de dàxué shíguāng shí, wǒ yìshí dào wǒ xué dào le duōshao)
to say thank you to someone
to use existing success as a foundation for future growth
to control inflation and prevent it from rising too much
to ask several people for information about something
to start a conversation by being honest or expressive about...
to dive enthusiastically into a new opportunity