one/wʌn/

num. 1

pron.

➊ used when talking about a thing or person that is the same as sth/sb you have already mentioned

➋ people in general; any person

num. 一：He has one brother and two sisters. 他有一个弟弟和两个妹妹。

◇[one of sb/sth] One of his friends lent him the money. 他的一个朋友借了这笔钱给他。

◇He will phone you at one. 他会在一点钟打电话给你。

pron.

➊ 一（个，只…）：“I'll have a beer, please.” “I'll have one, too.” “我要来杯啤酒。” “我也来一杯。”

◇“Which one do you like better?” “The blue one.” “你更喜欢哪一件?” “蓝色的那件。”

◇Those machines are the ones that still work. 那些机器是仍在运转的。

◇Jack is the one who helped the old lady. 杰克就是帮助老太太的人。

◇There are one or two exercises to do. 有一两个练习要做。

➋〈正式〉人们：One should keep one's promise. 一个人应该遵守诺言。

one after another 一个接一个；陆续地：The lights went out, one after another. 灯一盏接一盏地熄灭了。

one by one 逐个地，逐一地：He checked the windows one by one. 他逐个检查了窗户。

one day/afternoon 有一天/某天下午：I met her one afternoon last month. 我上月的一个下午碰见了她。

one ... the other ... 一个…另一个

other

同音 ones, one's

同音 one; won

常犯错误

✗ one day or two

✓ one or two days

✓ a day or two 一两天

常犯错误

✗ She has one yellow pen and two black one.

✓ She has one yellow pen and two black ones. 她有一支黄色的笔和两支黑色的笔。

常犯错误

✗ The climate here is like one of London.

✓ The climate here is like that of London. 这里的天气像伦敦。

[✌指代不可数名词时用that]

常犯错误

✗ He gave the toys to all the children except ones that had already taken them.

✓ He gave the toys to all the children except the ones that had already taken them. 他把玩具给了所有的孩子，除了那些已经拿到的。

[✌确指某些人时ones前的the不能省略]

用法This book is a good one.此时one前一般有形容词修饰。同理，these/those 一般不会与ones 连用，除非在ones前加了其他形容词。

用法one's可以是所有格，也可是one is或one has的缩略式。

辨析a; one

辨析anyone; any one