形容詞 decorous:

1. characterized by propriety and dignity and good taste in manners and conduct
2. according with custom or propriety
   同義詞：becoming, comely, comme il faut, decent, seemly

1. Precise or proper to the point of affectation; excessively decorous.
   一本正經(jīng)的過于準確或合適以致于造作的; 過分端莊的

dec.o.rous

adj.（形容詞）
Characterized by or exhibiting decorum; proper:
正派得體的：具有彬彬有禮的特征的，表現(xiàn)出端莊穩(wěn)重的；恰當?shù)模?/br>例句：
decorous behavior.
得體的舉止

來源：
From Latin decôrus [becoming, handsome]
源自 拉丁語 decôrus [適宜的，大方的]
from decor [seemliness, beauty] * see dek-
源自 decor [適宜，漂亮] *參見 dek-

【引伸】
dec.orously
adv.（副詞）
dec.orousness
n.（名詞）