Englishfor English speakers
prudent
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adjective
careful and sensible; marked by sound judgment
a prudent manager
prudent rulers
prudent hesitation
more prudent to hide than to fight
expert
Noun
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An expert is a person who knows more, or can do something better, than most people, usually because of special study or practice.
Zidane is an expert at penalty kicks.
The company has hired an expert in computer systems.
rule
Noun
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A rule is a statement that tells whether something is right or wrong.
Peter picked up the football, which was against the rules, so the other team got a throw-in.
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A king's rule is the time he controls the country.
The next king had a very short rule: only two years.
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A rule is another name for a ruler, a measuring device.
rule
Verb
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When someone rules, he or she is in charge, like a king or queen.
The king has ruled for 33 years.