expression, ichidan verb
walk noisily; make footsteps audible
Used when someone's footsteps are loud or noticeable, often implying a lack of stealth or care. The expression is a set phrase combining 足音 (footsteps) with 立てる (to make a sound).
See also: 立てる (たてる)
廊下で足音を立てないでください。
Please don't make noise with your footsteps in the hallway.
彼はわざと
He walked deliberately making his footsteps heard.