1
It's
a
waste
of
time
and
energy.
那是浪费时间和精力。
2
There
is
no
need
for
you
to
do
that.
3
Do
not
mind,
he
is
jesting.
别介意，他是开玩笑。
或
I
do
not
mind
in
the
slightest.
我一点儿也不在乎。
4
I
spent
two
hours
on
the
book
.
5
He
speaks
loudly
in
order
to
be
heard
clearly.
6
It's
not
enough
to
obey
him.
仅仅服从他是不够的。
7
The
earlier
you
revise
your
lessons
,
the
better
grates
you
will
get
.
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