Р-72

ЗНАТЬ, ГДЕ РАКИ ЗИМУЮТ coll VP, subj: human pres or past only знать conjugates fixed WO

to be clever, sometimes sly, and know how to act to one's own advantage

X знает, где раки зимуют — X knows the score (whatfs what, his way around)

X knows how to look out for himself (for number one) X knows on which side his bread is buttered.