英语语法分析

Checkpoints were positioned every 500m to inspect cars and keep an eye on racketeers.

每500米设有一个检查站，检查车辆并密切注意敲诈勒索者。

The practice was originally intended to make life difficult for sokaiya, racketeers who dish dirt at the meetings of firms that do not pay them off.

最初，例会的目的是想为难总会屋的人---就是那些在公司会议上散布流言蜚语继而不还债务的敲诈者。

The chaebol, some of which were started by war racketeers, had the same vast ambitions, albeit for industrial conquest-and they had public money to back them.

有些财阀就是依靠战争中的敲诈勒索起家的，有着同样的巨大野心，尽管是为了工业竞争——他们有公众的钱作为后盾。