cost an arm and a leg；as far as I know；as far as I am concerned；generally speaking；pay attention to；side with；end up；contribute to；that is to say；look forward to

（1）Officials should study new scientific knowledge and

pay attention to

pay attention to

global sci-tech trends.
（2）If you go on like this you'll

end up

end up

in prison.
（3）If there is any argument between my sister and me，my mother would always

side with

side with

the one who is right.
（4）

Generally speaking

Generally speaking

，American English is different from British English in pronunciation and spelling.
（5）Eating too much fat can

contribute to

contribute to

heart disease and cause high blood pressure.
（6）She saw a beautiful coat but it

cost an arm and a leg

cost an arm and a leg

.
（7）

As far as I am concerned

As far as I am concerned

，life is short and we must achieve something during our life.
（8）

As far as I know

As far as I know

，he will be away on business for three months.
（9）I now

look forward to

look forward to

going back to work as soon as possible.
（10）He's a local government administrator，

that is to say

that is to say

，a civil servant（公务员）.