1.表示“整歲”，直接用基數(shù)詞或year，age，例如“他20歲”可表示為：
    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.表示“在某人幾十多歲”，用“in one's +基數(shù)詞復(fù)數(shù)形式”，例如：
    他七十多歲。He is in his seventies.(從70歲到79歲之間)
    她五十多歲。She is in her fifties.(從50歲到59歲之間)
    還可以借助early，middle，late來(lái)表達(dá)得更明確一些，例如：
    那女孩今年二十二、三歲。The girl is in her early twenties.
    他今年十四、五歲。He is in his middle teens.
    她今年二十八、九歲。She is in her late twenties.
    3.表示“快滿多少歲”用進(jìn)行時(shí)或?qū)?lái)時(shí)，例如“他快滿十八歲了”可說(shuō)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.表示“不滿多少歲”，用副詞barely，nearly，al- most，quite，yet，just等，例如“她不滿十七歲”有以下幾種說(shuō)法：
    She is barely /nearly /almost seventeen.
    She is not quite /yet seventeen.
    She is just under seventeen.
    5.表示“差多久滿多少歲”用介詞off，例如：
    他差5個(gè)月就滿19歲了。He is five months off nineteen.
    她再過(guò)3年就50歲了。She is three years off fifty.
    6.表示“超過(guò)多少歲”用介詞past，例如：
    他已年過(guò)50。He is past fifty.
    他是一個(gè)過(guò)了中年的人。He is a man past middle age.
    那孩子兩歲零兩個(gè)月。The baby is two months past two years old.