前思后想

Seized with terror, Huo Guang reproached his wife for doing such a thing, He thought of reporting his wife for her crime, but at the same time did not have the beart to have her wife punished.

霍光非常惊惧，指责妻子不该办这种事情。他也想去告发，但又不忍心妻子被治罪，前思后想，还是把这件伤天害理的事情隐瞒下来了。

As he pondered on the train home something in his own self seemed to have died.

他坐火车回家,在车上前思后想时,他自己身上有些东西仿佛也已死去.

Brooding over all these matters, the mother felt like one who has evoked a spirit, but, by some irregularity in the process of conjuration, has failed to win the master-word that should control this new and incomprehensible intelligence.

这位母亲将这一切情况前思后想之后，觉得自己象是一个呼唤精灵的人，但是由于没有按照魔法的步骤行事，尚把握不住制服这个还闹不清底细的新精灵的咒语。

The other merchant considered carefully and realized there were advantages in going second.

商人乙前思后想,觉得后行的人比较有利.

Do you know why he was mulling and hesitating?

你知道他为什么前思后想、犹豫不决吗？