HSK 3
Qǐng zài gōngzuòrì lái bànlǐ.
Please come on a workday to process this.
HSK 4
Kuàidì yībān sān ge gōngzuòrì dàodá.
Express delivery usually arrives within three business days.
HSK 5
Gōngzuòrì de dìtiě tèbié jǐ.
The subway is especially crowded on weekdays.
