King James Version
Thou therefore gird up thy loins, and arise, and speak unto them all that I command thee: be not dismayed at their faces, lest I confound thee before them.English Standard Version
But you, dress yourself for work; arise, and say to them everything that I command you. Do not be dismayed by them, lest I dismay you before them.New International Version
"Get yourself ready! Stand up and say to them whatever I command you. Do not be terrified by them, or I will terrify you before them.