他搜肠刮肚，想找点话说。

He searched desperately for something to say.

好吧，我开始搜肠刮肚尝试用德语作答。

Very well, I begin to cipher out the German for that answer.

这个博士生为写学位论文而搜肠刮肚。

The PhD student beat his brain over his dissertation.

从巴勒斯坦人的角度来看，为了证明人民的归属感而搜肠刮肚的去寻找寻找考古证据是不得要领的做法。

From the Palestinian perspective, the scurrying for archaeological evidence to justify a people's sense of belonging misses the point.