1) I am almost/nearly 90 years old.
我快九十岁了。
2) I am eighteen years old.
我十八岁了。
3) I am 30 years old.
我三十岁了。
4) He must be going on for ninety
他准有九十岁了.
5) He is around thirty years old.
他快三十岁了。
6) He is approximately forty years old.
他快四十岁了。
参考词条