Watch more MOVIES. Usually best way to speak good proper english
would be to read those dreadfully BORING books like Jane Austen,
Pride and Prejudice, Wuthering Heights etc etc, and learn new words
and expressions as you read them.
A better alternative would be the WATCH THE MOVIES of such books,
then you will speak good ol Queen's English, which is the fashion
now for passing oral El1.
Chinese, just memorise cheng yu and chi huais. Chinese just pass
can oredi. My chinese just pass, i did not study at all, no idea
how to help Cl1. Get a tuition teacher or watch more channel 8
shows and learn via the english translation.