I'm casting about for motive where it's proven difficult to come by.

我试着列举动机却很难想到。

Louis loved music, and besides, he was already casting about for ways of making money after camp was over.

路易斯热爱音乐，此外，他已经在心中盘算着等夏令营结束后如何找机会赚钱了。

Here he sat on a log, and began casting his line about. Near by, under a juniper bush, Miltiades lay hidden.

在这里，他坐在一根圆木上，开始抛鱼线，就在附近，在一棵杜松树下，米尔蒂亚德斯藏了起来。

" Will soon come to London, " said I, after casting about for a precise form of words, " or summon me anywhere else" ?

“很快就会来伦敦，”我在寻找准确的措辞后说道，“或者在其他任何地方召唤我”？

At last, after casting about for an effective opening, he took a long gulp of tea, cleared his throat, and said: " Looks as if there'd be more snow" .

终于，他四处寻找了一个有效的开口，长长地喝了一口茶，清了清嗓子，道：“看来雪还要下起来。”

And they've been looking for another horse to bet on, and they thought they had one in DeSantis, but DeSantis is now fading and they're casting about somebody else to invest in.

他们一直在寻找另一匹可以下注的马，他们认为德桑蒂斯有一匹马，但德桑蒂斯现在正在衰落， 他们正在寻找其他人来投资。

Dr Carson is no Herman Cain. Before the 2012 election Republican activists looked at a string of odd-bods and firebrands, casting about for someone, anyone, who thrilled them more than their eventual nominee, Mitt Romney.

Carson医生不是Herman。2012年的选举之前，共和党活动者们聚焦了一串临时工和煽动者，寻找一些人，任何人，能让他们比推出最终提名者Mitt Romney更兴奋。

What was to be done next? I was wondering whether it would do to beat a precipitate retreat. Bimala, also, was doubtless casting about for some way of escape. But it was as awkward to go as to stay!

接下来要做什么？我想知道是否可以阻止仓促撤退。比马拉无疑也在四处寻找逃跑的方法。但是去和留下一样尴尬！

After cautiously casting about, I made choice of the tallest of a group of Douglas Spruces that were growing close together like a tuft of grass, no one of which seemed likely to fall unless all the rest fell with it.

在小心翼翼地四处寻找之后，我选择了一群道格拉斯云杉中最高的一棵，这些云杉像一簇草一样紧密地生长在一起，除非其他所有的草都倒下，否则它们似乎不会倒下。