Common Meanings
1
dá瘩
In Traditional Chinese Medicine, 'dabei' refers to a carbuncle that forms on the back, also known as 'dashou'.
他得了瘩背，疼痛难忍
He suffered from a carbuncle on his back, and the pain was unbearable.
2
da瘩
Used in the compound word "疙瘩" (gēda), which refers to a lump, knot, or pimple on the skin, or can figuratively mean a psychological knot or unresolved issue.
他脖子上起了个小疙瘩。
He developed a small lump on his neck.