thought of想出

thought about想到

in thought在沉思；在思考之中

basic thought基本思想

at the thought of一想起

school of thought学派；思想派别

deep thought n. 沉思；冥想

second thought重新考虑；改变主意

food for thought引人深思的事

thought process思维过程

on second thought进一步考虑后，仔细考虑后

lost in thought陷入沉思，沉思

mode of thought思维方式

original thought起初思维，独到的思想

thought experiment思维实验；思考实验

at first thought初一想；乍一想

have second thoughts经过重新考虑而改变主意；（重新考虑后）改变主意

thought provoking发人深思的

give thought to考虑到

spare a thought for想到；替…着想