念头的英文：
thought
idea
intention

参考例句：

You're the first and last thing on my mind.
你是我脑海中第一也是最后的念头。

A hazy idea
隐隐约约的念头

Scarlet thoughts.
不贞的念头

Romantic notions.
异想天开的念头

desultory thought
古怪的念头,突然出现的念头

A sudden,unanticipated whim.
突发的念头一个突然的、未预料到的念头

There was distraction in the thought.
这个念头真令人心乱如麻。

A selfish whim.
自私的怪念头

An extravagant notion;a whim.
怪念头;狂想

She felt profound anguish at the idea.
这个念头使她万分痛苦。

thought是什么意思：
n. 思维，思考；想法，见解；意图，打算；思想
v. [think] 的过去式及过去分词

There was distraction in the thought.
这个念头真令人心乱如麻。

Knowledge is a servant of thought, and thought is a satellite of feeling.
知识是想法的仆人，想法又是感受的随从。

The thought of the prize was the spur for the team.
夺取锦标的思想是该队的动力。

idea是什么意思：
n. 思想，概念；意见，见解；主意；想法

interchange ideas
交换意见,2. 使互相易位,3. 使交替发生,轮流进行,vi.1. 交换位置;交替发生[(+with)]

This is a slant idea.
这是个有偏见的想法。

At this moment an idea burst upon him—a glorious idea.
此刻他突然产生一个想法，一个十分美妙的想法。

intention是什么意思：
n. 意图；目的；意思，含义

I have no intention of disclosing their names.
我无意泄露他们的姓名。

You must have mistaken my intentions.
你一定是误会了我的意图了。

He is motivated by good intentions.
他的动机是善良的。