他已经教了20年。

He has been teaching for 20 years.

Traditional
他已經教了20年。
Pinyin
jīng jiāole èrshí nián.
Bopomofo
ㄊㄚ ㄧˇ ㄐㄧㄥ ㄐㄧㄠ ˙ㄌㄜ ㄦˋ ㄕˊ ㄋㄧㄢˊ。

Where this sentence comes from

This sentence is from Tatoeba, contributed by Martha, with the English translation by CK. It is used here under CC BY 2.0 FR.

Tatoeba writes this sentence in traditional characters: 他已經教了20年。 Chinese Boost builds every reading of a sentence from simplified characters, so it has been converted here.

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