✔ 最佳答案
除了 to single out 之外﹐針對/欺負可以是 "to pick on", to pick on 是比較口語化的, to pick on 的口吻多數是負面的 。
i.e. It's very unfair! Why are you always picking on me? - 真唔公平! 點解你成日處處針對我﹖
To single out 有時是用在正面的事件上(如:從眾人中被挑選出來)
i.e. Gifted children should always be singled out and encouraged. -資優兒童應該被挑選出來而加以鼓勵和栽培。