They [who will remain without] will call out to those [within], "Were we not with you? - [to which]; the others will answer: "So it was! But you allowed yourselves to succumb to temptation,16
and you were hesitant [in your faith17
], and you were doubtful [of resurrection]; and your wishful thinking beguiled you until God's command came to pass:18
for, [indeed, your own] deceptive thoughts about God deluded you!19
Sc., "by the prospect of worldly gains" or "by fear for your personal safety" - both of which characterize the half-hearted as well as the hypocrites.
Thus Ibn Zayd (quoted by Tabari), explaining the verb tarabbastum.
I.e., "until your death".
See note  on the last sentence of 31:33 .