provide sb with sth 为某人提供某物 provide sth for sb
proper/explain
He never explains anything properly. 他从来不好好解释任何事情。
explain oneself 解释，交代清楚 explain sth to sb 向某人解释某事 Alice usually explains the new words to us. explanation n.解释，说明
offer
1.offer sb sth/offer sth to sb向某人提供某物 注：可以接受，也可以不接受
2. offer to do sth 提议去做某事 I offered her a book. 我给了她一本书。 He offered to help me. 他向我提供帮助。
辨析：provide强调为应付意外、突发事件、紧急情况 等做好充足准备而“提供，供给”，多数情况是免 费的。
很多国家的球队参加世界杯比赛。
opinion
1.同义词：idea ; thought; view What’s your opinion of my work? 对我的工作您有什么意见？
2 big deal 重要的事 3 处理， deal with ,与疑问词how 连用
How will you deal with the homework?
communication
1 communicate with sb 与某人交流、沟通、联络 2 communicate to sb 向某人报告、通知、传达
单词讲解
allow
allow sb to do sth
允许某人做某事
sb be allowed to do sth 某人被允许做某事
allow doing sth
允许做某事
allow sb in/out
允许某人进入/出去
Teenagers shouldn’t be aud
Look at those dark clouds. It’s going to rain. 看那些乌云，要下雨了。 cloud, （像云的）尘土或烟雾 clouds of smoke 一团团的烟 cloudy 多云的 a cloudy sky
older/elder
1 older, 指年龄较大、较老，也指较旧 Tom is two years older than John. This book is older than that one.
+ 从句时，要进行否定前移 I guess he can swim. I don’t guess he can swim. I guess he can swim, can’t he?
deal
1 协议；交易 I did a deal with my parents on housework. 在家务上我与父母达成一项协议。
For better communication , I also communicate with him by phone.
为了更好地沟通，我还和他电话交流。
argue
1通常与介词about 和with 连用,不及物动词 argue with sb about sth 为某事与某人争辩
2 have an argument with sb I had an argument with him.
不应该允许青少年吸烟。
辨析
let sb do sth 语气较弱，不能用于被动语态
guess
1 v. Can you guess how old he is? 2 n. If you don’t know the answer, have a guess!
可数名词，猜想，猜测 3 主句含有:I/We guess/think/believe/suppose…
clean water 干净的水（强调没有尘污） clear water 清澈的水（强调清澈、透明）
return
1. return=come back/go back return to= go back to= come back to
2. return, 归还；还给 return sth to sb / return sb sth 归还某人某 物 Please return the money to her.
= She didn’t call him. She wrote to him instead.
nervous
比较级：more nervous 最高级：most nervous be nervous of/about …对…感到紧张 They are nervous of / about their test.
注：是非延续动词，不可以与表示一段时间 的状语连用。
compete
1. competition 竞赛，比赛 2. competitor 参赛选手 3. enter a competition 参加比赛
compete with sb … against … … for…
Teams from many countries compete in the World Cup.
clear
1.清楚易懂的；晴朗的 She spoke in a loud clear voice. 她说话声音既洪亮又清楚。
2. 清澈的；透明的 clear water 清澈的水； clear glass 透明的玻璃 3. clearly 清楚地，明白地 辨析：clean 干净的；清洁的；而clear表清澈
2 elder,年长的，只用做定语，不用作表语 He is my elder sister. We should respect our elders. 我们应该尊重长辈。
instead
1 instead 为副词，常放在句首或句尾 I will go instead.
2 instead of 为介词短语，后面接名词、代词，介 词短语或动名词形式 She wrote to him instead of calling him.