Arrrrrrrrrgh! Math has escaped and is invading the board. C'mon Betsy, let's beat it back with words!

passing-strange = 6,870 hits (used, I assume correctly, by Thomas Hardy in Tess of the D'Urbervilles)

passing strange = 948,000 hits

To hyphenate or not to hyphenate, that is not a question.

Lessee, how many threads did I cross here?