() [] () an oil or gas well (= a deep hole in the ground) made in an area where oil or gas has not yet been found盲目开掘的油井（或天然气井）；勘探井◆The company expects ten wildcats to be drilled this year.公司预计今年将开掘十口勘探井。a business or project that will probably not be financially successful高风险的计划