1.profit作为名词的意思是“利润”“赢利”,转化为动词则表示“从…中获利”“对…有好处”。指获得明显的物质利益,或者增加其财富、知识等的储存。
2.profit是及物动词,接名词、代词作宾语,还可接双宾语。可用于被动结构。用作不及物动词,常与介词by, from等连用。

profit by〔from〕(v.+prep.)
得益于 benefit from or be helped by sth
〔说明〕 profit by〔from〕不用于被动结构。
▲profit by〔from〕 sth/v-ing
A wise man profits by his mistakes.聪明人会从自己的错误中受益。
He obviously hasn't profited by his experiences.他显然没有吸取以往的教训。
A lucky group of students will profit by an exchange visit overseas.一批幸运的学生将出国进行交流访问,他们将从中受益。
He profited by this time to look at the paintings.他利用这个时间看看画。
They profited by putting their money in his business.他们通过向他的企业投资而获利。
He profited greatly from his three years in college.大学三年获益匪浅。
I have profited from your advice.你的建议对我很有好处。
He hoped to profit from his investments.他希望从投资中获利。
She will never be a professional musician, but I'm sure that she has profited from her lessons.她永远不会成为一名职业音乐家,然而我敢肯定她从音乐课中学到很多东西。
You could profit from listening to a wise man.智者一席话,使人受益大。

用作及物动词
▲S+～+n./pron.
Taking these courses profited him.选修这些课程对他有好处。
◇ 用于be ～ed结构
You will be profited if you follow my advice.照我的忠告去做,你会受益的。
What is a man profited if he shall gain the whole world, and lose his own soul?假使一个人获得了整个世界而失去了自己的灵魂,这对他又有何意义呢?
用作双宾动词
▲S+～+pron./n.+n./pron.
It will profit you nothing to do that.你那样做一点好处都没有。

profit, benefit
参见benefit条。

［派生词］ profiteer投机,牟求暴利
［同义词］ n.  advantage, benefit, gain, interest
［词源］＜拉丁语profeetus(先做就会先受益)

It's profit you're after.这是你所追求的利润。
They participate in the profits.他们分享利润。
There is soon an excess of commodities; they can't be sold at a profit.商品很快就过剩了,要不赔钱卖掉这些商品是不可能的。
What's the profit of doing that?做那件事有什么好处呢?

profit, advantage, benefit, interest
参见advantage条。