to meet someone unexpectedly
意外遇到某人 (yìwài yù dào mǒu rén)
"I ran into my cousin at the shopping mall yesterday."
"昨天我在购物中心遇到了我的表弟。" (Zuótiān wǒ zài gòuwù zhōngxīn yù dào le wǒ de biǎodì)
to make yourself feel excited or motivated about something
to do something too much or with too much enthusiasm
to reply sharply when angry or irritated
to combine one thing with another to make a whole
to volunteer or offer assistance when needed
to resemble a parent or relative in appearance or behavior