Byngn.宾byprep.靠近；通过；被；经由；不迟于adv.经过；在旁边；靠近By treading on his corn?踏平他的玉米地吗？by a preconcerted arrangement按事先约定的安排By airmail or by seamail?航空邮寄还是航海邮寄?by second class conveyance.用运输工具的二等舱进行运输。by necessity of circumstances为形势所迫By degrees the color faded.颜色渐渐褪掉了。By passing type flexible plug旁通式柔性塞By the Rev.James Gilmour.书名/作者 Among the Mongols.by-pass feeder contact line分路馈线接触线路, 分路馈线悬链线by evidence of good character[法] 品格良好的证据

1. I think I should have finished it by then.
   我想到那时我应该完成了。
2. Even then he wouldn't admit his errors.
   甚至到那时他还不肯认错。