I am afraid of you, lest I have bestowed upon you labour in vain.
I fear for you, that somehow I have wasted my efforts on you.
Φοβοῦμαι ὑμᾶς, μήπως εἰκῇ κεκοπίακα εἰς ὑμᾶς.
Phoboymai ymas, mēpōs eikē kekopiaka eis ymas.