to think very hard about something
非常努力地思考某事 (fēi cháng nǔ lì de sī kǎo mǒu shì)
"I had to rack my brains to remember her name."
"我必须rack my brains来记住她的名字。" (Wǒ bìxū **rack my brains** lái jì zhù tā de míngzì.)
to stop a problem before it gets worse
Because of a desire to know or learn something.
Continue your efforts even when facing challenges.
To inquire wisely to gain understanding.
to admit your mistake and apologize
a love for sweet foods