If they say thus unto us, Tarry until we come to you; then we will stand still in our place, and will not go up unto them. If they say thus unto us - Jonathan had no doubt asked this as a sign from God; exactly as Eliezer the servant of Abraham did, Genesis 24:12.
Related Commentaries of 1 Samuel 14:9
1 Samuel 14:9
9 If they say thus unto us, Tarryc until we come to you; then we will stand still in our place, and will not go up unto them.