cum laude and Phi Beta Kappa

cum laude
with honors
优等生
Phi Beta Kappa (f)
n.
1. An honorary society, founded in 1776, of college students and graduates whose members are chosen on the basis of high academic standing.
2. A member of this society.
优等生的协会

cum laude 在拉丁语或俚语里面是表示“优等成绩毕业者”而Phi Beta Kappa 是美国大学优等生荣誉协会。