KJV:
Woe unto you, scribes and Pharisees, hypocrites! for ye are as graves which appear not, and the men that walk over them are not aware of them.
NASB:
"Woe to you! For you are like concealed tombs, and the people who walk over them are unaware of it."
KJV:
For if the trumpet give an uncertain sound, who shall prepare himself to the battle?
NASB:
For if the bugle produces an indistinct sound, who will prepare himself for battle?