"Kaavoihin kangistunut" englanniksi?

Moves in a groove?

(He's) not thinking outside the box.

Stuck in a rut.

Ai äm frosen in tö pätterns.

Stuck in their/his/her ways.

such a square

Set in their/his/her ways.

Set in its ways.

be set in one's ways or plays it by book

Frozen in formula.

Becoming tense into formulas

Stiffened into patterns

Mulla on tällainen suomi-englantifraasikirja. Täällä on tällaiset:

Hidebound

Set in one's ways

In a rut

Slave of habit.