教了二十年的書

教了 jiaoˋ le˙

(Taught) Taught

二十 erˋ shiˊ

(Twenty) Twenty, 20

二十年 erˋ shiˊ nianˊ

(Twenty) Twenty years

十年 shiˊ nianˊ

(Ten Years) Ten years, 10 years

的 de˙ diˋ diˊ

Have, Has, At That, (Di4), Clear, Distinct, Target, Goal, (Di2), Accurate, Exact, Proper, (De5)

書 shu ˉ

Book, Letter, Document, Note, Writing