from
/强frɒm, 弱frəm/- indicating the point in space at which a journey, motion, or action starts表示空间的起始点从…起：
she began to walk away from him
她开始从他身旁走开
I leapt from my bed
我从床上跳了下来
figurative 〈喻〉 he was turning the Chamberlain government away from appeasement.
他正在阻止张伯伦政府奉行绥靖政策。
- indicating the distance between a particular place and another place used as a point of reference表示距离离：
the ambush occurred 50 metres from a checkpoint.
伏击发生在离检查站50米的地方。
- indicating the point in time at which a particular process, event, or activity starts表示事件等的起始点始于：
the show will run from 10am to 2pm.
演出将从上午10点开始, 下午2点结束。
- indicating the source or provenance of someone or something表示来源来自, 从…来：
I'm from Hackney
我来自哈克尼
she rang him from the hotel
她从酒店给他打电话
she demanded the keys from her husband.
她向她的丈夫索要钥匙。
- indicating the date at which something was created表示某物产生的日期始于：
a document dating from the thirteenth century.
上溯到13世纪的文献。
- indicating the starting point of a specified range on a scale［表示某具体范围的起始点］从：
men who ranged in age from seventeen to eighty-four.
从17岁到84岁的男人。
- indicating one extreme in a range of conceptual variations表示概念变化范围的一端从：
anything from geography to literature.
从地理到文学的任何一门学科。
- indicating the point at which an observer is placed［表示观察方位］从：
you can see the island from here
从这里你可以看见那个岛
figurative 〈喻〉the ability to see things from another's point of view.
从别人的观点观察事物的能力。
- indicating the raw material out of which something is manufactured表示原料由：
a varnish made from copal.
由珂巴脂制成的清漆。
- indicating separation or removal［表示离开、脱离］离：
the party was ousted from power after sixteen years.
16年后这个党被赶下了台。
- indicating prevention表示防止防：
the story of how he was saved from death.
关于他如何被救活的故事。
- indicating a cause表示原因因为, 由于：
a child suffering from asthma.
一个患哮喘的儿童。
- indicating a source of knowledge or the basis for one's judgement表示信息的来源或判断的基础从：
information obtained from papers, books, and presentations.
从文件、书本和演讲会中获取的信息。
- indicating a distinction表示区别与…不同：
the courts view him in a different light from that of a manual worker.
法院不把他看成体力劳动者。
as from
- 见AS1.
from day to day （或hour to hour etc.）
- daily (or hourly etc.); as the days (or hours etc.) pass每天（或每小时等）; 一天一天地（或一小时一小时地等）。
from now （或then等） on
- now (or then etc.) and in the future从现在（或那时等）起：
they were friends from that day on.
从那天起他们成了朋友。
from time to time
- occasionally有时; 偶尔。