从头的英文：
from the beginning

参考例句：

A plane flew overhead.
一架飞机从头顶上飞过。

He tried to erase the idea from his mind.
他试图从头脑中抹掉这个想法。

He is downgraded from first class to business class.
他从头等舱被降到了公务舱。

It's given us the chance to get back on track.
它可以令我们有机会从头来过，回到正轨。

brevet gave a start of surprise, and surveyed him from head to foot with a frightened air
布莱卫骇然大吃一惊，把他从头一直打量

She unwound the brown veil from her head and tied it about his throat
她从头上解下那条褐色纱巾，把它围在他的脖子上。

Now Tom shivered from head to heel, for his eyes fell upon the stolid face of Injun Joe
汤姆从头顶到脚跟都发抖了，因为他的眼睛瞟见了印江?乔那副冷冰冰的面孔。

He has explained it over and over again, but he comes back to it afresh each time like a paranoiac to his obsession.
他已经一遍遍重复了好多次，可是每一次仍要从头提起，就像一个偏执狂老是要谈在他心头索绕的事情。

beginning是什么意思：
n. 开始；根源；起点
v. begin的现在分词

It is beginning to dew.
在结露水了。

The scrambling begins.
混乱开始了。

The days are beginning to shorten.
白天开始变短了。

The plan is beginning to shape up.
这一计划正在开始成形。

The water begins to bubble.
水开始冒泡了。