HSK 3
Tā juédìng qīngcāng suǒyǒu de jiùshū.
He decided to clear out all the old books.
HSK 4
Shāngchǎng zhèngzài zuò jìmò qīngcāng huódòng.
The mall is doing an end-of-season clearance event.
HSK 7-9
Niándǐ chāoshì kāishǐ qīngcāng dà shuāimài.
At year's end the supermarket started a clearance sale.