barb

1. N-COUNT A barb is a sharp curved point near the end of an arrow or a fish hook that makes it difficult to pull out. (箭頭或魚鉤上的)倒鉤

2. N-COUNT A barb is an unkind remark meant as a criticism of someone or something. 諷刺; 傷人的話或事

The barb stung her exactly the way he hoped it would. 他的諷刺如期傷到了她。