鈍間

(1)slow to learn or understand; lacking intellectual acuity; "so dense he never understands anything I say to him"; "never met anyone quite so dim"; "although dull at classical learning, at mathematics he was uncommonly quick"- Thackeray; "dumb officials make some really dumb decisions"; "he was either normally stupid or being deliberately obtuse"; "worked with the slow students"

(2)学ぶ、あるいは理解するのが遅い

(3)知的な鋭敏さが不足すること

(4)not moving quickly; taking a comparatively long time; "a slow walker"; "the slow lane of traffic"; "her steps were slow"; "he was slow in reacting to the news"; "slow but steady growth"

(5)すばやく動かないさま

(6)比較的長い時間を要すること

(1)