Fear the Lord your God and serve him. Hold fast to him and take your oaths in his name.
NMVyoui shall fear the LORD-Yehōvah (Messiah Pre-Incarnate) youi God-Elōhīm (The Living Word) [The Many Powered]; him shall youi serve, and to him shall youi cleave (split open; cut open; divide), and swear by his name.
OJBThou shalt fear Hashem Eloheicha; Him shalt thou serve, and to Him shalt thou have thy deveykus, and swear by Shmo.
Onkelos (Etheridge)Thou shalt fear the Lord thy God, and serve before Him; to His fear thou shalt keep close, and shalt swear by His Name;
T4TRevere Yahweh our God and worship only him. ◄Be faithful to/Have a close relationship with► him, and say that he should punish you if you do not do what you promise.