Allow的用法

Allow的用法
allow for sth. 允许某事
allow doing sth. 允许做某事
They don't allow smoking here.=They don't allow others to smoke here
allow sb. to do sth. 允许某人做某事
(注意被动：sb. be allowed to do sth.)
vt. 允许,准许[O2][+v-ing]
Swimming is not allowed at this beach.
这片海滩禁止游泳。

准...进;准...出[O]
He doesn't allow cats in the room.
他不允许猫进入房内。

给予,提供;容许 [(+for)]
Their teacher allowed them three days for the assignment.
他们的老师给他们三天时间完成作业。

使成为可能
The windfall allowed me to buy a house.
这意外之财使我得以购置一幢房子。

认可
The judge allowed the claim.
法官同意了这一请求。

【书】承认[+that]
He allowed that they were right.
他承认他们是对的。

vi. 容许[(+of)]
The situation allows of no delay.
情况不容许有任何延误。

考虑[(+for)]
In working with this cloth, be sure to allow for shrinking.
用这种布缝衣,务必考虑到洗后会缩水。

①Please allow me to carry your bag.

请让我替你拿包。

②My boss doesn't allow me to use the telephone.

我的老板不允许我用电话。

③We were allowed to smoke in this room only.

我们只许在这间屋子里抽烟。

2)allow 作“许可”，“允许”讲，只可搭配动名词短语作宾语，不可直接搭用动词不
定式作宾补，即只可说 allow doing sth., 不可说allow to do sth.

①They allowed smoking in this room only.

他们只允许在这间屋子里抽烟。

②Smoking is not allowed here.

此处禁止吸烟。

3)allow还常与 out, in, up等副词搭配使用，即 allow sb. inoutup等。

①She won't allow the children in until they've wiped their shoes.

直到孩子们把鞋擦干净，她才让他们进来。

②She is not allowed out after dark.

天黑后，不准她出去。

③The patient was allowed up after ten days.

十天后病人才被允许起床(下地)。

【注意】下面的独立主格结构，表示条件

Circumstances allowing, we shall further improve out farming method.(即

If circumstances allow, we shall further improve our farming method.)如果
情况许可的话，我们将进一步改进工作方法
allow 允许，准许
用法：