worth one's weight in gold


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worth (its/one's) weight in gold

Very valuable, important, or useful. When you're in a foreign country, you'll find that a translator is worth his weight in gold. A computer system that didn't crash all the time would be worth its weight in gold around here!
See also: gold, weight, worth

worth one's weight in gold

Also, worth its weight in gold. Very valuable, as in John's been extremely helpful; he's worth his weight in gold, or That tractor's been worth its weight in gold. This metaphoric term dates from Roman times and appeared in English by the early 1300s.
See also: gold, weight, worth