迟钝 (chí dùn): Slow (witted) (Adjective) — Meaning & Stroke Order

Haven't you noticed that he always seems slow to react to changes around him?

This child reacts a bit slowly and needs more practice.

Although his movements are somewhat slow, his thinking is exceptionally profound and thorough.

He never admits that his reaction is slow; instead, he blames others for not explaining clearly enough.