Psalm 80:3 New English Translation

³O God, restore us.
Smile on us.^[a] Then we will be delivered.^[b]

Psalm 80:3 tn The idiom “cause your face to shine” probably refers to a smile (see Eccl 8:1), which in turn suggests favor and blessing (see Num 6:25; Pss 4:6; 31:16; 44:3; 67:1; 89:15; Dan 9:17).
Psalm 80:3 tn Heb “cause your face to shine in order that we may be delivered.” After the imperative, the cohortative with prefixed vav (ו) indicates purpose/result.

New English Translation (NET)