• 不着边际

Offuttn.奥法特offadv.表示状态的关闭或离开prep.离开；在 ... 之外adj.空闲的；离开的；关闭的v.离开；脱下off- line handwritten Chinese characters脱机手写体汉字off-focus fed parabolic reflector antenna偏焦馈电抛物面反射器天线Off-Axis Paraboloid and Ellipsoids Mirror抛物面镜,椭圆面镜off-pump coronary arteries bypass grafting非体外循环冠状动脉旁路移植术off-line handwritten signature verification脱机手写签名认证off-price assortments of women's clothing.等于零,无结果off-grid photovoltaic storage battery system离网光伏蓄电系统Off-axis illumination for optical lithography光学光刻中的离轴照明技术off-line handwritten Chinese character recognition脱机手写体汉字识别Off-grid wind-powered electricity industrial base非并网风电基地

1. I'm afraid what you're saying now is off the point.
   恐怕你现在所说的有些离题。
2. When he's talking he never sticks to the point.
   他说话总是不着边际。