形容詞 perfunctory:

1. hasty and without attention to detail; not thorough
   同義詞：casual, cursory, passing
2. as a formality only
   同義詞：pro forma

1. The policy of making only a perfunctory effort or symbolic gesture toward the accomplishment of a goal, such as racial integration.
   表面文章一種只對一個要完成的目標、如種族融合而作一些隨意的努力或象征性的姿態(tài)的策略
2. The operator answered the phone with a perfunctory greeting.
   接線員接通電話，象征性的打了招呼

per.func.to.ry

adj.（形容詞）
Done routinely and with little interest or care:
官樣文章的：循序而做，沒有什么興趣或關注：
例句：
The operator answered the phone with a perfunctory greeting.
接線員接通電話，象征性的打了招呼

Acting with indifference; showing little interest or care.
冷漠的，敷衍的：冷漠做某事的；沒有多少興趣的

來源：
Late Latin perfônctôrius
后期拉丁語 perfônctôrius
from Latin perfônctus [past participle of] perfungo [to get through with]
源自 拉丁語 perfônctus [] perfungo的過去分詞 [以…方式通過]
per- [per-]
per- [前綴，表示.由.]
fungo [to perform]
fungo [履行]

【引伸】
perfunc.torily
adv.（副詞）
perfunc.toriness
n.（名詞）