OET interlinear ISA 50:3

uW Translation Notes:

Note 1 topic: figures-of-speech / metaphor

אַלְבִּ֥ישׁ שָׁמַ֖יִם קַדְר֑וּת

clothe heavens blackness

Here Yahweh is speaking of making the sky dark as if he could clothe the heavens with darkness like a garment. Your language may have a comparable expression that you can use in your translation, or you could state the meaning plainly. Alternate translation: [I make the heavens dark]

Note 2 topic: figures-of-speech / metaphor

וְ⁠שַׂ֖ק אָשִׂ֥ים כְּסוּתָֽ⁠ם

and,sackcloth make covering_of,their

Here Yahweh is speaking of the darkened sky as if he had covered it with sackcloth, the clothing that people wore to show grief. Your language may have a comparable expression that you can use in your translation, or you could state the meaning plainly. Alternate translation: [and I make dark cloth their covering]

Note 3 topic: translate-unknown

וְ⁠שַׂ֖ק אָשִׂ֥ים

and,sackcloth make

Sackcloth is a kind of rough, coarse cloth that people in this culture wore to show grief or mourning. If your readers would not be familiar with what sackcloth is, you could use the name of a similar thing that your readers would recognize, or you could use a more general term. Alternate translation: [and I make rough mourning cloth]