詞匯精解:
reflection:名詞 n.
1.反射;回響;反射光,回聲
the reflection of a sound wave
聲波的反射
2.映象,倒影
The deer gazed at its reflection in the forest pool.
鹿凝視著它倒映在森林水池里的影子。
3.反映;表達(dá),抒發(fā)
4.容貌酷似的人;惟妙惟肖的事物
The girl is a reflection of her mother.
那女孩長得和她母親一模一樣。
5.(~+on/upon)深思,熟慮;反省
After long reflection we decided to buy the house.
經(jīng)過很長一段時(shí)間的慎重考慮,我們決定買下那所房子。
6.(~+on/upon)(~+that)想法,意見
7.(~+on/upon)非議;(對名譽(yù)、品格)有損的事
Children's bad behavior is often a reflection on their parents.
小孩的壞品行常常有損父母的名譽(yù)。
Your accusation of my lying is a reflection on my reputation.
你說我撒謊,這有損我的名譽(yù)。

tragedy:名詞 n.
1.悲劇體裁
Tragedy is a type of literature that involves death, suffering or disaster.
悲劇作品是文學(xué)的一種,內(nèi)容常涉及死亡,不幸和災(zāi)難。
2.(一出)悲劇
Shakespeare's Hamlet is one of the best known tragedies.
莎士比亞的《哈姆雷特》是最有名的悲劇之一。
3.悲劇性事件;慘案;災(zāi)難
The traffic accident is really a tragedy.
這次車禍真是個(gè)悲劇。
4.悲劇因素

詞組辨析:
face with與face up to的區(qū)別:
face with:面對...后面多接名詞，有時(shí)也可以接doing；face up to中文意思是，勇敢的對付或接受；后面接doing，或是接名詞。
I was faced with lots of difficulties.
我那時(shí)候需要面對很多困難．
Don't force him face up to that problem.
別強(qiáng)迫他正視那個(gè)問題。
He faces up to doing his responsibilities.
他很堅(jiān)毅地承擔(dān)自己的責(zé)任

introduce的用法:
introduce其后跟雙賓語時(shí)，只能用“及物動(dòng)詞＋直賓＋to＋間賓”結(jié)構(gòu)而不能用“及物動(dòng)詞＋間賓＋直賓”結(jié)構(gòu)，也就是說不能用introduce sb sth。只能是introduce sth/sb to sb.
Let me introduce you to john.
讓我給你介紹以下約翰。