John Gill Commentary Nehemiah 4:10

"And Judah said, The strength of the bearers of burdens is decayed, and there is much rubbish; so that we are not able to build the wall." — Nehemiah 4:10 (ASV)

And Judah said
Several of the men of Judah:

the strength of the bearers of burdens is decayed ;
through much labour, in carrying heavy loads of stone and timber to the builders, and yet more through fear of the enemy:

and there is much rubbish ;
which ought to be removed, but that the labourers were so weak that they could not do it:

so that we are not able to build the wall ;
to finish it before the enemy comes to attack us.