先说一下allow的意思：
作为及物动词时 vt.
1.允许,准许[O2][+v-ing]
Swimming is not allowed at this beach.
这片海滩禁止游泳.
She allowed us to smoke.
她允许我们抽烟.2.准...进;准...出[O]
He doesn't allow cats in the room.
他不允许猫进入房内.3.给予,提供;容许[O1][(+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.4.使成为可能[O2]
The windfall allowed me to buy a house.
这意外之财使我得以购置一幢房子.5.认可
The judge allowed the claim.
法官同意了这一请求.6.【书】承认[+that]
He allowed that they were right.
他承认他们是对的.
作为不及物动词时 vi.
1.容许[(+of)]
The situation allows of no delay.
情况不容许有任何延误.2.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.关于allow的短语：1.allow sb to do sth允许某人做某事2.allow sb not to do sth不允许某人做某事3.allow sb from sth./doing sth.某事物向某人开放、允许某人做什么事 4.allow doing sth 允许某人做某事5.allow for 考虑,顾及6.allow of 容许 先说一下allow的意思：
作为及物动词时 vt.
1.允许,准许[O2][+v-ing]
Swimming is not allowed at this beach.
这片海滩禁止游泳.
She allowed us to smoke.
她允许我们抽烟.2.准...进;准...出[O]
He doesn't allow cats in the room.
他不允许猫进入房内.3.给予,提供;容许[O1][(+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.4.使成为可能[O2]
The windfall allowed me to buy a house.
这意外之财使我得以购置一幢房子.5.认可
The judge allowed the claim.
法官同意了这一请求.6.【书】承认[+that]
He allowed that they were right.
他承认他们是对的.
作为不及物动词时 vi.
1.容许[(+of)]
The situation allows of no delay.
情况不容许有任何延误.2.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.关于allow的短语：1.allow sb to do sth允许某人做某事2.allow sb not to do sth不允许某人做某事3.allow sb from sth./doing sth.某事物向某人开放、允许某人做什么事 4.allow doing sth 允许某人做某事5.allow for 考虑,顾及6.allow of 容许