(idiomatic) To act defensively.

present participle of walk into

Third-person singular simple present indicative form of walk into

To collide with. / To fall into (a trap or other situation), especially one that could have been avoided with more care. / (colloquial, archaic) To attack; to assault physically.

simple past tense and past participle of walk into

To cause someone to become slowly more and more involved in a business or situation that is often not to that person's liking.

Alternative form of out of the frying pan, into the fire

(transitive, idiomatic) To mismanage to the point of ruin. / (transitive, idiomatic) To wear out, especially through excessive use. / (transitive, idiomatic) To discuss ad nauseam.

(transitive, idiomatic) To make (something) a practical reality.

(idiomatic, UK) To become familiar with something