disallow

动词 disallow:

1. command against
   同义词：forbid, prohibit, interdict, proscribe, veto

1. Her claim was disallowed on the ground(s) that she had not paid her premium.
   她要求赔款遭到拒绝，原因是她事先没有交纳保险费。
2. The judge disallowed that evidence.
   法官驳回那项证据。

dis.al.low

v.tr.（及物动词）
dis.al.lowed,dis.al.low.ing,dis.al.lows
To refuse to allow:
不准许，禁止：
例句：
.[The government] disallowed his aging and dying parents any reunion with their only child. (John Simon)
.［政府］ 不准许他年老快死的双亲和他们唯一的孩子团聚. (约翰·西蒙)

To reject as invalid, untrue, or improper.
驳回；否决：因无效、不真实或不恰当而否认

来源：
Middle English disallowen
中古英语 disallowen
from Old French desalouer [to reprimand]
源自 古法语 desalouer [责备，谴责]
des- [dis-]
des- [表示.不，相反.]
alouer [to approve] * see allow
alouer [同意，认可] *参见 allow

【引伸】
dis.allow.able
adj.（形容词）
dis.allow.ance
n.（名词）