Old old pond
frog re-leaping
past

--Cid Corman, (courtesy of Joe Massey; Corman has other version of the poem as well).

Literal crib:

oldpond [particle meaning the sentence that follows is about the old pond]
frog leaps
water [possessive particle] sound

huruike ya
kawazu tobikomu
mizu no oto

Rexroth:

An old pond--
The sound
Of a diving frog.