From

prep.
1. 從...起,始於
She is singing from morning to night.
她從早唱到晚。
2. 從;由
He rose from office boy to managing director in fifteen years.
他十五年裡從工友升到總經理。
3. 離(開)
Our school is two miles from the station.
我們學校離車站兩英里。
4. 從...來;出自
He comes from Shanghai.
他來自上海。
5. (表示去除,免掉,阻止,剝奪等)
The pill will relieve you from pain.
這藥丸將使你免受痛苦。
6. (表示區別,比較)
He is old enough to know right from wrong.
他已長大,能夠辨別是非了。
7. (表示原料)由
Flour is made from wheat.
麵粉由小麥製成。
8. 因為,由於;出於
He wasn't ill; he stayed in bed from laziness.
他沒病,躺在床上是因懶惰之故。
He is trembling from fear.
他嚇得發抖。