King James Version (KJV)
Nevertheless we made our prayer unto our God, and set a watch against them day and night, because of them.
Modern English
And we prayed to our God and set a guard as a protection against them day and night.
Hebrew
וַנִּתְפַּלֵּ֖ל אֶל אֱלֹהֵ֑ינוּ וַנַּעֲמִ֨יד מִשְׁמָ֧ר עֲלֵיהֶ֛ם יוֹמָ֥ם וָלַ֖יְלָה מִפְּנֵיהֶֽם׃
vanitpalel ʾel ʾeloheynv vanaʿamiyd mishmar ʿaleyhem yvomam valaylah mipneyhem