1. 截止点;界限
    A cut-off or a cut-off point is the level or limit at which you decide that something should stop happening.

    e.g. The cut-off point depends on age and length of employment...
           录用标准取决于年龄和工作年限。
    e.g. The cut-off date for registering is yet to be announced...
           还没有宣布登记的截止日期。

2. (供应或服务的)终止
    The cut-off of a supply or service is the complete stopping of the supply or service.

    e.g. A total cut-off of supplies would cripple the country''s economy...
           供给的全面中断会使得该国经济瘫痪。
    e.g. The United States resisted an arms cutoff.
           美国拒绝停止武器供应。