at the mercy of
From LSJ
ἀκμὴ οὐδὲ ἔχει γενέσεως ὑπόστασιν καθ' ἑαυτήν → the culmination has no power of originating by itself
English > Greek (Woodhouse Extra)
⇢ Look up "at the mercy of" on Perseus Dictionaries | Perseus KWIC | Perseus Corpora | Wiktionary | Wikipedia | Google | LSJ full text search