1. keep
Keep out!
How long are you going to keep whimpering about that? You can't change the past.
I keep saying that I'm innocent, but no one will listen.
If Spenser doesn't keep adding and translating sentences, the other contributors will surely surpass him.
Life is like riding a bicycle. To keep your balance you must keep moving.
Doctors should keep abreast with all the latest developments in medicine.
If you keep at it you will eventually succeed.
My parents keep arguing about stupid things. It's so annoying!
A family should not spend all of its money to keep someone alive on a machine.
I'm going to keep track of all the expenses on this trip.
Throughout the five years of painful cancer treatments, he managed to keep a stiff upper lip.
Call me every few days, and in that way we can keep in touch if something happens.
Keep a close eye on Tom and make sure he doesn't get into any trouble.
The notice in the park said "Keep off the grass".
Keep a box of baking soda in the fridge to keep it smelling clean.
2. to maintain
Diet is the key to maintaining a slim physique.
It's important to maintain family traditions.
His job is to maintain machinery and equipment.
The army has been brought in to maintain order in the region. A large house is very expensive to maintain. He has always maintained that he is innocent.
Tim wanted to maintain the good condition of his car, so he took it for a regular service.
You have to eat regularly if you want to maintain weight.
to maintain prices
Several of the teachers were quite unable to maintain discipline.
The army has been brought in to maintain order in the region.
It's not easy to maintain the same rhythm for hours.
it is important to maintain eye contact
It is vital for us to maintain regular customers.
We have to maintain our lifestyle.
to maintain core activities
Britain wants to maintain its position as a world power.
英語 "という言葉zachovat"(to maintain)集合で発生します。
500 most important Czech verbs 426 - 4503. preserve
God preserve us!
There seems to be little agreement as to how to preserve the evidence in such cases.
My family preserves all of the old traditions of our grandfathers.
There's a wildlife preserve on the river in town, if you're watching ducks that would be a good place.
More recently, some hutongs have been designated as protected areas in an attempt to preserve this aspect of Chinese cultural history.
It may be too late to save Grandma’s photos; but you can still preserve yours.
How can western educators help preserve threatened languages?
You can preserve the fish in a mixture of salt and vinegar.
It is important to preserve coral reefs because so many species live there.
The process by which food products can be preserved in tins was invented in 1810
In both countries it was clearer than crystal to the lords of the State preserves of loaves and fishes, that things
They've managed to preserve most of wall paintings in the caves.
That profession is a male preserve.
The agreement preserved our right to limit trade in endangered species.
The emotion they gave me was exquisite, but I could not preserve it, nor could I indefinitely repeat it; the most beautiful things in the world finished by boring me.