KJV : [If] thou faint <07503> (8694) in the day <03117> of adversity <06869>, thy strength <03581> [is] small <06862>. {small: Heb. narrow}

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NASB : If you are slack in the day of distress, Your strength is limited.

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NASB# : If you are slack<7503> in the day<3117> of distress<6869>, Your strength<3581> is limited<6862>.