【词汇点睛】1eat up吃光
[观察]Hobo，you've eaten up my breakfast !霍波，你吃光了我的早餐!
[探究] eat up意为“吃完，吃光;耗尽”，后常接名词或名词短语。
活学活用
1. We should try to_ eat up_(吃光) all the food that wehave ordered.

show off炫耀
[观察] Daniel is very clever，but he is modest and never shows off.丹尼尔很聪明，但是他谦虚，从不炫耀。
She couldn't wait to show off her new car to her friends.她迫不及待地要把她的新车向朋友们炫耀。
[探究]show off为动词短语，意为“炫耀”;show off sth意为“炫耀某物”。
[拓展]与show相关的常用短语:show sth to sb把某物给某人看show sb around sp领某人参观某地be shown on TV在电视上播出be on show展览