inaccurate
adjective uk/ɪnˈæk.jə.rət/ us/ɪnˈæk.jɚ.ət/
B2 不准确的；不精确的
not completely correct or exact, or not able to do something correctly or exactly
Their estimate of the cost of the project was wildly (= extremely) inaccurate. 他们对项目费用的估计非常不准确。
an inaccurate device/weapon 不精确的设备／武器
Opposites: accurateexact precise