conjunction used to express contrast with a previous sentence or clause
standard
norm
rule
to imitate
to follow
then
principle
classifier for written items (such as an official statement, news, reports)
grades
a particle indicating consequence or a reason
but
however
to speak
to say
to explain
to scold
to tell off
a theory (usually in compounds such as 日心说 heliocentric theory)
to criticize
to try to influence someone to do something
to mean