思前想后思思前头想想后头。英ponder over; think of the past and future;[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]

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]

前思后想谓反复考虑思量。[查看详情]

冥思苦想从不同的方面不同的关系和不同的含意来考虑一问题。例把这个问题冥思苦想了好几个小时。英speculate;[查看详情]

绞尽脑汁用尽心思。[查看详情]

千思万想形容多次反复思考。例六老千思万想若王三来时，怎生措置？——明凌濛初《初刻拍案惊奇》英think over and over again;[查看详情]

想来想去谓反复地多方思考。[查看详情]