Once upon a time, there was a man called the old man of Taketori.

He read and revised my thesis for me.

He helped me with the proofreading of my thesis.

This book is under censorship.

This book was banned from publication due to censorship.

The government is censoring the media.

Jyutping is a Romanization system for representing the pronunciation of Cantonese.

Jyutping is a method for transcribing the pronunciation of Cantonese.

He is engaged in the job of reviewing manuscripts all day long.

He is clearly superior to me in English.