上第

shàngdì
top notch; highest quality

CEDICT

first-class; superior; first-rate

Wiktionary

  1. 最高等級或最優異的品質。《後漢書．卷三四．梁統傳》：「其四方調發，歲時貢獻，皆先輸上第於冀。」唐．李華〈贈禮部尚書清河孝公崔沔集序〉：「關外諸侯，公為上第，由是分掌選署，仕進之族知勸焉。」也作「上等」。
  2. 考試成績最優的等第。

重編國語辭典

Entry Composition

1 上 shàng
  1. (bound form) up; upper; above; previous
  2. first (of multiple parts)
  3. to climb; to get onto; to go up
  4. to attend (class or university)
  5. (directional complement) up
  6. (noun suffix) on; above
2 第 dì
  1. (prefix indicating ordinal number, as in 第六 dìliù "sixth")
  2. (literary) grades in which successful candidates in the imperial examinations were placed
  3. (old) residence of a high official
  4. (literary) but; however
  5. (literary) only; just