forty才是四十正確的拼寫。
英［?f?ti]美［?f?rti]
n.四十；四十幾。
［例句］They would have been married?forty?years come this?June.
到今年六月他們結婚就有四十年了。
［其他］復數：forties。
近義詞
twoscore
英 ['tu:'sk?:(r)]美 ['tu:'sk?:(r)]
adj.四十的。
n.四十。
［例句］A similar shock was administered to National Guardsmen some twoscore years later.
大約四十年後，國民警衛隊也遭受了類似的打擊。