160. The "Bitter" Radical: 辛

Essay 1432 on 辛 (spicy; bitter; dry taste; salty; severe; painful; "bitter" radical) tells you all about this radical, which helps you resign (辞: 500) from a job that's going nowhere, as if you've hit a wall (壁: 1780). By the way, 辛 is the radical in 辞 but just a component in 壁.