Englishfor English speakers
safeguard
—
verb
make safe
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noun
(= precaution, guard)
a precautionary measure warding off impending danger or damage or injury etc
he put an ice pack on the injury as a precaution
an insurance policy is a good safeguard
we let our guard down
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verb
escort safely
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noun
(= safe-conduct)
a document or escort providing safe passage through a region especially in time of war
from
Preposition
—
When something is from someone, the person gave or sent it.
I got a gift from my grandmother today.
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When someone is from a place, that's where they started.
I am Chinese. I come from Hunan province.
Sorry I'm late. I just came from school.
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You use from to talk about distances between thing in space or time.
Saturn is far from earth.
School is 5km from my home.
The year 2515 is a long time from now.