1. 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.
2. 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.