crustier
adj. 皮脆的( crusty的比較級 ); 愛發脾氣的,暴躁的
Crusty bread has a hard, crisp outside.
...crusty French loaves.
脆皮法式烤麵包
If you describe someone, especially an old man, as crusty, you mean they are impatient and easily irritated.
...a crusty old colonel.
脾氣暴躁的老上校