Correct

七十

/ qī shí /
Strokes

Definition

seventy/70

Example

As a Numeral

seventy

1
kuài
shí
七十
suì
le
  

He is in his late sixties./He is about seventy.

2
shí
第七十

seventieth

3
shí
七十几
suì
de
rén

septuagenarian

4
shí
七十
niándài
年代

(in) the seventies; (in) the'70s; (in) the 1970s