Thereafter means after the event or date mentioned.
The plan will help you lose 3–4 pounds the first week, and 1–2 pounds the weeks thereafter.
该计划将帮助你在第一周减3到4磅,其后每周减1到2磅。
Inflation will fall and thereafter so will interest rates.
通货膨胀将下降,利率下降也将紧追其后。
The woman had surgery and died shortly thereafter.
那名妇女接受手术后不久就死了。