KJV : Thou wilt surely <05034> (8800) wear away <05034> (8799), both thou, and this people <05971> that [is] with thee: for this thing <01697> [is] too heavy <03515> for thee; thou art not able <03201> (8799) to perform <06213> (8800) it thyself alone. {Thou wilt...: Heb. Fading thou wilt fade}
NASB : "You will surely wear out, both yourself and these people who are with you, for the task is too heavy for you; you cannot do it alone.
NASB# : "You will surely<5034> wear<5034> out, both<1571> yourself<859> and these<2088> people<5971> who<834> are with you, for the task<1697> is too<4480> heavy<3515> for you; you cannot<3201><3808> do<6213> it alone<905>.