1. conservation
We need to put more effort into conservation of monuments of the pope.
I was asked to make a few remarks on energy conservation.
Forest conservation is an important issue all over the world.
I'm very interested in nature conservation.
WWF is an organisation which was set up to help the conservation of wildlife.
My cousin, who is passionate about conservation, is giving a speech tomorrow.
We measured the electricity used during air cooling in the same way as heating, and compared the old model air conditioner to the energy conservation (2001) model.
The giant panda is recognised as a national treasure of China, but in some conservation areas it is still killed by poachers.
The organization plays a principal role in wildlife conservation.
During the holidays, some university students go to Africa as volunteers and help to perfect local wildlife conservation.
The third is the preservation of environment. In this case, the conservation of energy and resources is needed.
It is only recently that people have begun to realize the importance of nature conservation.
2. protection
Despite the government's protection, he was the victim of an assassination attempt which killed him.
witness protection
The most stringent protection of free speech would not protect a man in falsely shouting fire in a theatre and causing a panic.
Everyone has the right to form and to join trade unions for the protection of his interests.
Which is more important, economic development or environmental protection?
Everyone who works has the right to just and favourable remuneration ensuring for himself and his family an existence worthy of human dignity, and supplemented, if necessary, by other means of social protection.
I am the Flying Spaghetti Monster. Thou shalt have no other monsters before Me. (Afterwards is OK; just use protection.) The only Monster who deserves capitalization is Me! Other monsters are false monsters, undeserving of capitalization.
Motherhood and childhood are entitled to special care and assistance. All children, whether born in or out of wedlock, shall enjoy the same social protection.
Everyone has the right to the protection of the moral and material interests resulting from any scientific, literary or artistic production of which he is the author.
The boss is hard to get along with. But if I try to talk to him about problems I have at work he might have a little heart. Even a hunter can't kill a bird who flies to him for protection.
The family is the natural and fundamental group unit of society and is entitled to protection by society and the State.
Just because it's a "safe day" I'm not going to make out like monkeys without protection. Isn't it the duty of loving sex to take proper care of contraception?
Everyone has the right to work, to free choice of employment, to just and favourable conditions of work and to protection against unemployment.
No one shall be subjected to arbitrary interference with his privacy, family, home or correspondence, nor to attacks upon his honour and reputation. Everyone has the right to the protection of the law against such interference or attacks.
3. guard
Not knowing what to expect, Tom was caught off guard.
He remained there for many months under close guard.
He went into the bank in the disguise of a guard.
Guard against accidents.
If you carelessly ask, "got a boyfriend?" she'll be put on her guard and say, "why do you ask?"
When one of my coworkers starts racking up good sales figures I can't let down my guard.
This is a plan that takes into account your stature and your ability to guard. By all means do it for me.
Gold golems are guardians used to guard treasure.
When two armies oppose one another, those who can fight should fight, those who can't fight should guard, those who can't guard should flee, those who can't flee should surrender, and those who can't surrender should die.
However, when I finally reached the castle I was thrown into this prison by the commander of the imperial guard.
Speaking with reporters in Montreal, Canada, Walesa says the change of leadership in East Germany came about because the old guard leaders missed the train of history.
-We can feel safe and secure, here's a guard.
n, v - guard
Well you're always putting on a show, and you're always on guard.