1. “人+ be +數(shù)字 + (years old)” 表“某人多少歲了”。
如:The little girl is eight (years old). 這個小女孩8歲了。
She is only one and a half (years old). 她只有一歲半。
2. “ one's age + be + 數(shù)字”表“某人的年齡是多少。
如:My grandma's age is eighty. 我奶奶已80高齡了。
Their ages are eleven and thirteen. 他們的年齡是11歲和13歲。
3. “ in one's + 整十?dāng)?shù)的復(fù)數(shù)形式”表“某人的歲數(shù)是多少了”。
如:(be) in one's teens 十幾歲( 13-19 歲)
(be) in one's twenties / thirties / forties / … 二十多歲 / 三十多歲 / 四十多歲……
如:In the 1870s,when Marx was already in his fifties,he round it important to study the situation in Russia,so he began to learn Russian. 在19世紀(jì)70年代,馬克思五十多歲時,他認(rèn)為研究俄國的形勢很重要,便開始學(xué)習(xí)俄語。
4. 表“不確定的歲數(shù)”時,可借助介詞 above,over below,under,nearly,close to,between … and等。
如:over / above thirty 三十多歲
below / under thirty 不到三十歲
nearly / close to thirty 將近三十歲

