沉思默想形容深入地思考。沉：深。默：不作声。[查看详情]

深稽博考深入地稽核广泛地考察。形容苦心钻研学问。[查看详情]

煞费苦心费尽心思。例为达到细微末节的逼真和精确而煞费苦心。然而现在的谜，却使她煞费苦心，难猜难解。——《党员登记表》英pains-taking; take a lot of troubles; take great pains; with much ado;[查看详情]

穷思竭想绞尽脑汁苦思苦想。[查看详情]

搜索枯肠比喻作诗文冥思苦想。例宝玉只得答应着低头搜索枯肠。——《红楼梦》英rack one's brains (for fresh ideas or apt expressions);[查看详情]

苦思冥想苦苦思考。英cudgel one's brains (to evolve an idea);[查看详情]

左思右想前后思忖。形容深思熟虑。例我左思右想她的话试图为它们找出一些能够表现才智的意思。英turn sth.over in one’s mind; think from different angles; ponder on;[查看详情]

费尽心机用尽了心思。形容千方百计地谋算。例有时勿得惊人句费尽心机做不成。——宋戴复古《石屏集论诗绝句》英rack one's brains in scheming;绞尽脑汁；不断地、拼命地想突破困难；冥思苦想。英beat one's brains out;[查看详情]

绞尽脑汁用尽心思。[查看详情]