They are not afraid to tackle the issues or let the sparks fly when necessary.

他们不怕应付这些问题, 必要时也不惜进行唇枪舌剑的激烈争论。

Yet man is born to trouble as surely as sparks fly upward.

人生在世必遇患难、如同火星飞腾。

In that situation, we have to fight back as the sparks fly upward.

在那种情况下，我们自然要进行还击。

Sparks fly between her and Booth, and the two agree to go on a date.

据说解释她会和Booth相当来电，两人还答应约会去来着。

Tom is such a mean man, you will dislike him sooner or later as the sparks fly forward.

汤姆是一个卑鄙的小人，你迟早必定讨厌他。