1 Corinthians 14:8-9 And also if the trumpet give an uncertain voice, who shall prepare himself to fight?

MSTC⁽ⁱ⁾ ⁸ And also if the trumpet give an uncertain voice, who shall prepare himself to fight? ⁹ Even so, likewise, when ye speak with tongues, except ye speak words that have signification, how shall it be understood what is spoken? For ye shall but speak in the air.