英和和英

Forewarned is forearmed.

We need to stay alert.

You can't be too vigilant.

security measures

We must guard against accidents―take precautions against accidents.

a warning to be ready for danger

an air‐raid alarm

a warning coloration

The watchman was at his station.

to withdraw a warning

to withdraw a warning―The warning is withdrawn

an air‐raid siren

relax one's vigilance

Tight security is in force.

to go at regular intervals round an area to see that there is no trouble

Safety is an illusion.

to guard

an indication or sign suggesting cautiousness

to warn

The alarm emptied the building

a safety device [apparatus]

a safety device

I hold safety to the maximum priority.

The fire alarm rang.

safety measures

a safety‐first policy

safety first

The tidal wave warning has been canceled.

I am in charge of maintenance.

dire warnings

Forewarned is forearmed.

the condition of there being heavy security

to develop alarming symptoms

a warning to be ready for danger

relax one's vigilance

to withdraw a warning

an indication or sign suggesting cautiousness

exercising caution or showing care or attention

We need to stay alert.

to go at regular intervals round an area to see that there is no trouble

to warn

Keep a good watch for pickpockets!

an early warning

keep a lookout (for…)

a warning-signal

You must look sharp about you.

We must guard against accidents―take precautions against accidents.

You can't be too vigilant.

Keep a sharp lookout for pickpockets.

a state of emergency about which a warning needs to be issued

a warning system called alarm system

to carefully guard an entrance

a loud warning signal produced by a burglar alarm

the state there being heavy security

an early‐warning radar

to guard with strict vigilance

to be cautious of one's surroundings

There are signs of the epidemic spreading, and the Metropolitan Police are on their guard against it.