他胸怀大志，想要改变这个世界。
tā xiōnghuáidàzhì ， xiǎngyào gǎibiàn zhègè shìjiè 。
He has great ambitions and wants to change the world.
她的胸怀非常宽广，乐意帮助别人。
tāde xiōnghuái fēicháng kuānguǎng ， lèyì bāngzhù biérén 。
Her heart is very broad, and she is willing to help others.
愿你永远胸怀希望，面对生活的挑战。
yuàn nǐ yǒngyuǎn xiōnghuái xīwàng ， miànduì shēnghuó de tiǎozhàn 。
May you always cherish hope and face life's challenges.