a.合宜的，适当的；得体的

　　I couldn't think of proper words to say.

　　我想不出有什么适当的话可说。

　　Obviously the team lacks proper training.

　　显然这支队伍缺乏适当的训练。

　　It is not proper to arrive late for a dinner party.

　　参加晚宴迟到是不得体的。

　　properly

　　adv.正确地；适当地

　　If you do it properly the first time, you don't have to do it again.

　　如果你一次就把这件事做好,就不用再做一次了。

　　A spider can't properly be called an insect.

　　把蜘蛛称为昆虫并不怡当。

　　existence

　　n.生存；存在

　　Those colonists had to struggle hard for existence.

　　那些殖民者必须为生存而艰苦奋斗。

　　Tell me exactly when the first radio came into existence.

　　告诉我第一台收音机到底是何时问世的。

　　This is the oldest building in existence in our town.

　　这是我们镇上现存最古老的建筑物。

　　being

　　n.存在，生命；人，生物

　　Impressionism came into being in the 1860s.

　　印象派从1860年代起就出现了。

　　Some people still doubt that human beings evolved from apes.

　　有些人仍不相信人类是由猿类演化而来。

　　admit

　　vt.容许,许可；准许入场/入学；承认 vi.承认（与介词to并用）

　　Children are not admitted to the theater without an adult.

　　没有大人带领的话,小朋友是不能进入那间剧院的。

　　This coupon admits two people for free.

　　这张优待券可供两人免费使用。

　　Only five percent of the applicants are admitted to the university.

　　只有百分之五的申请者获准进入该所大学。

　　The politician admitted (to) taking bribes.

　　那位政客坦承受贿。

　　He has admitted stealing my money.=He has admitted to stealing my money.=He has confessed to stealing my money.

　　他承认偷了我的钱。

　　affect

　　vt.影响；（疾病）侵袭；感动；假装

　　The bad weather affected everyone's mood.

　　恶劣的天气影响了每个人的心情。

　　Hepatitis is a disease that affects the liver.

　　肝炎是侵害肝脏的一种疾病。

　　The little boy's miserable life so affected us that we decided to adopt him.

　　那个小男孩的可怜身世令我们深深感动，因此我们决定收养他。

　　Although he affected indifference, it was obvious that Dad was quite angry.

　　虽然老爸装作若无其事,但显然地，他其实很生气。

　　pretend

　　vt.假装

　　Mary has broken up with John, but he pretends that nothing has happened.

　　玛丽和约翰分手了，但约翰假装什么事都没发生。

　　When I passed by, Peter pretended not to see me.

　　我走过时,彼得假装没看到我。

　　expense

　　n.花费，费用；代价

　　The official travels at public expense.

　　这位官员用公家的钱出国旅行。

　　Taxi drivers often drive fast at the expense of safety.

　　计程车司机经常不顾安全开快车。

　　frequent

　　a.经常的

　　Nick is a frequent visitor to our house.

　　尼克是我们家的常客。