#Er

See how you translated this name in [[:en:bible:notes:gen:38:03|38:3]].

#was wicked in the sight of Yahweh

The phrase "in the sight" refers to Yahweh seeing Er's wickedness. AT: "was wicked and Yahweh saw it" (See: [[:en:ta:vol1:translate:figs_idiom]])

#Yahweh killed him

Yahweh killed him because he was wicked. This can be made clear. AT: "So Yahweh killed him" (See: [[:en:ta:vol1:translate:figs_explicit]])