drein

that way, like that, in there

ˈd ʁ a ɪ̯ n
adverb Rare #38,202
that way, like that Often used with verbs of looking, as in dreinschauen or dreinblicken, to describe someone's expression.
GE: Warum schaust du so traurig drein?
EN: Why do you look so sad?
in there Colloquial or regional use.
GE: Stell die Kiste da drein.
EN: Put the box in there.

Er schaut immer böse drein.

He always looks angry.

Und das kleine schwarze Kaninchen blickte nimmermehr traurig drein.

And the little black rabbit never looked sad again.

Das Mädchen unter dem Baum sieht traurig drein.

The girl under the tree looks sad.

Schau nicht so gekränkt drein!

Don't look so offended!

Tom und Maria guckten gleichermaßen verwirrt drein.

Tom and Maria looked equally confused.

Vielleicht gehen wir anschließend da drein.

Maybe we'll go in there afterward.

— Pinocchio (2019)