וְעַתָּה֙ הִתְעָ֣רֶב נָ֔א אֶת־אֲדֹנִ֖י הַמֶּ֣לֶךְ אַשּׁ֑וּר וְאֶתְּנָ֤ה לְךָ֙ אַלְפַּ֣יִם סוּסִ֔ים אִם־תּוּכַ֕ל לָ֥תֶת לְךָ֖ רֹכְבִ֥ים עֲלֵיהֶֽם׃
Now therefore, I pray thee, make a wager with my master, the king of Assyria, and I will give thee two thousand horses, if thou be able on thy part to set riders upon them.
Targum Jonathan on Isaiah
And now, pledge thyself with my master the king of Assyria, and I will give thee two thousand horses, if thou be able on thy part to appoint riders upon them.