to reveal something secret unintentionally
不小心透露秘密 (bù xiǎoxīn tòulù mìmì)
"Don’t let on that you know about the plan."
"不要 让别人知道 你知道计划的事情。" (bùyào ràng biérén zhīdào nǐ zhīdào jìhuà de shìqíng)
to be unfit or unhealthy due to lack of exercise
to show total indifference
to make an offer more attractive
to create a positive image of yourself in someone's mind
Knowing a small amount about something can lead to mistakes.
to do something to show you are sorry
