1.N-COUNT 可数名词 靶心 The bull's-eye is the small circular area at the centre of a target.
- Five of his bullets had hit the bull's-eye.
他有5发子弹打中靶心。
2.N-COUNT 可数名词 命中靶心的一击 In shooting or the game of darts, a bull's-eye is a shot or throw of a dart that hits the bull's-eye.
3.N-COUNT 可数名词 （做事、说话命中的）要害 If something that you do or say hits
the bull's eye, it has exactly the effect that you intended it to have.