老师常劝说我们上课要集中注意力 翻译成英语

Teacher ofen advice us that we should concentrate on class during schooltime

i
often
sleep
in
class.
i
don't
pay
attention
to
the
teacher
and
so
i
don't
know
what
the
teacher
say
in
class.
this
makes
me
not
know
how
to
do
the
homework.
my
results
are
bad
and
my
parents
often
interfere
my
privacy.
they
often
criticize
me
too.

our teacher always persuades us to concentrate on our books.

our teacher always persuades us to concentrate on our books.

Teachers often tell us to concentrate in class.
注：tell表示上级或长辈的教导；concentrate on=focus on=focus attention on；因为后面有in, 所以，前面不适合再有介词on；所以，用了concentrate的不及物动词形式。