他二十几岁时： When he was in his twenties
He wrote a novel when he was in his twenties.
When I was in my forties
In the twentieth century
In the eighteen hundreds
a girl over 20 years
although he is only twenty years old
I am twenty-four years old.
英语“年龄”表示法 1?表?#23613;?span t='整'>Zheng岁”，直接用基数词或year，age，例如“Ta20岁”可表示为： He is twenty． He is twenty years old． He is a twenty-year-old man． He is aged twenty． He is at age twenty． He is at the age of twenty． He is twenty years of age． 2?Biao?#23613;?#22312;某人几十多岁”，用“in one's ＋Ji数词复数?#38382;健保?#20363;如： 他七十Duo岁。He is in his seventies．（Cong70岁到79岁之间） 她五十多岁。She is in her fifties．（Cong50岁到59岁之间） 还可以借Zhuearly，middle，late来表达De更明确一些，例如： 那女孩今年二Shi二、三岁。The girl is in her early twenties． Ta今年十四、五岁。He is in his middle teens． Ta今年二十八、九岁。She is in her late twenties． 3?Biao?#23613;?#24555;满多少岁”用进行时或将来时，例如“他Kuai满十八岁了”可说成： He is getting on for eighteen． He is going on eighteen years old． He will be eighteen years old． It will be his eighteenth birthday． 4?Biao?#23613;?#19981;满多少岁”，用副词barely，nearly，al- most，quite，yet，justDeng，例如?#20843;?#19981;满十七岁”有以下几种说法： She is barely ／nearly ／almost seventeen． She is not quite ／yet seventeen． She is just under seventeen． 5?Biao?#23613;?#24046;多久满多少岁”用介词off，例如： Ta差5个月就满19岁了。He is five months off nineteen． Ta再过3年就50岁了。She is three years off fifty． 6?Biao?#23613;?#36229;过多少岁”用介词past，例如： Ta已年过50。He is past fifty． Ta是一个过了中年的人。He is a man past middle age． Na孩子两岁零两个月。The baby is two months past two years old． Can考:[雅思]阅读考试要点
20多岁的年轻人 复数的说法：young people in their 20s Dan数的说法：a man/woman in his/her 20s
a person in (his or her) twenties
when he was 20 old Hou面在加从句 when he was 20 old he very like eating eggs.
iswillbe 20 years oldsoon.
我二十三岁,英文表达 I'm twenty-three years old. Jie构表达 I am +自己的年龄+yeas old.