81 rise 和 arise 有什么不同？英语怎么说？

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1. rise 和 arise的不同？(Zero问）rise: to lift up升起的意思 例如sunrise日出、rise early早起、rise up 升起 都是指着实物上的升起rise当起床、起立都可以和arise互换，但是arise还有一个比较与rise不一样的用法例如：• The sun rises in the east.• I rise early in the morning to catch the train.• The sound from the music concert was rising in pitch.• The hot air balloon is rising up in the sky.arise：to come about 产生、出现 例如 for a situation to arise/come about/come up…情况的发生，都是指非实物东西（情况、需求、机会）的事件的升起，引起别人的注意。• I want you to be here if the need arises.• Hopes arise in the gloomiest of situations.• Do not be despondent as opportunities can arise any moment.• He promised his help if the need arose.• The question of military takeover does not arise.Read more:

http://www.differencebetween.com/difference-between-rise-and-vs-arise/#ixzz393WnfTmt

2. keep the company afloat 不让公司倒闭 为什么不用keep the company floating?（Andy问）答：这个是一个固定用法，虽然如果你要用keep the company floating语法上没有错误的，但是就像我们不用下学表示放学是一样的。floating 浮着 afloat 和 floating 形容词都有“浮着的”意思，但是floating也有浮着的动作是持续着的意思3. Grips （紧抓、紧握的手）的两个常见的片语：（Dean问）Come to grips with （理解、认清、着手面对）If you come to grips with it, you consider it seriously and start taking action to deal with it. Get a grip （控制自己的情绪） If you get a grip on yourself, you make an effort to control or improve your behaviour or work.4. butterflies in your stomach 其实是古时候作家对紧张心情的描述，后来就引用为描述紧张的心情，感觉好像有好多蝴蝶在胃里振翅一样（Lulu问）5. 至于James问到用什么来形容坐自由落体（free fall）的感觉，我问了Mr. Wong他会说I feel like I’m going to shit my pants! (好形象的说法）遇到这种难以描述的感觉用I feel like 倒是一个不错的方法