King James Version (KJV)
Now when Joab saw that the battle was set against him before and behind, he chose out of all the choice of Israel, and put them in array against the Syrians.
Modern English
When Joab saw that the battle was set against him both in front and in the rear, he chose some of the best men of Israel and arrayed them against the Syrians.
Hebrew
וַיַּ֤רְא יוֹאָב֙ כִּ֣י הָיְתָ֣ה פְּנֵ֣י הַמִּלְחָמָ֗ה אֵלָ֤יו מִפָּנִים֙ וּמֵאָח֔וֹר וַיִּבְחַ֕ר מִכֹּ֖ל בָּח֣וּר בְּיִשְׂרָאֵ֑ל וַיַּעֲרֹ֖ךְ לִקְרַ֥את אֲרָֽם׃
vayarʾ yvoʾab kiy haytah pney hamilḥamah ʾelayv mipaniym vmeʾaḥvor vayibḥar mikol baḥvr byishraʾel vayaʿarok liqraʾt ʾaram