(1)as , like
as 表示"作为"强调身份,like (介词)表示"像"
As a teacher, he cares for these children.
Like a teacher, he cares for these children.
(2)with , in
with 表示"外貌特征或附带的东西" ," 用……作工具"
in 表示"衣着" "用某语言", 在固定搭配中也可用in
A man with dark glasses wanted to buy drinks.
A man in black wanted to buy drinks.
The boy is learning to write in pencil / with a pencil.
He retold the text in English.
(3)for , to
for表示"为了."
To 表示动作对象, "对, 向." 如:
He would do anything for his motherland.
Did you mention this to my father?
你对我父亲提起过这件事吗?
for 表示"就某情况而说 ", to 表示一"对某对象而言"如:
It’s quite warm today for February.就二月的天气,今天够暖和的。
What he told you just now was not new to me
他刚才对你所说的话对我并不新鲜
for 表示"目的,用途"。与go, come 动词连用