至此，…
at this point; with this; and so (marking an end or a turning point)
Structure
一连串事件 。 至此 ， 结果／现状
What it means
“At this point; with this”: closes a sequence of events and states where things now stand: an ending, a running total or a turning point. 至 = 到, 此 = 这里.
How it is built
Events。至此，+ result or current state: 最后一名乘客安全下了船。至此，救援工作全部完成 (the last passenger got off safely; with that, the rescue was complete).
When to use it
Written; typical of history writing and news. Endings: 至此…结束／告一段落; totals: 至此，全国已有…. 到此为止 is its spoken cousin for “that is all for now”.
Watch out
It looks back, so what comes before must lead up to it. For a plain “then” use 然后 or 随后, not 至此.
Examples
雍正即位后，禁教更加严格。至此，利玛窦开创的局面基本结束。
Under Yongzheng the ban grew stricter still. With that, the opening Ricci had made was all but closed.
最后一名乘客安全下了船。至此，救援工作全部完成。
The last passenger came off the ship safely. With that, the rescue was complete.
上个月又有两个省加入。至此，全国已有二十个省份参加了这项试点。
Two more provinces joined last month, bringing to twenty the number taking part in the pilot scheme.
Learn this in Lesson 247 · HSK 9+: 利玛窦与徐光启 (Matteo Ricci and Xu Guangqi)
A dialogue, a reading, word cards with audio and a drill that uses it, in Learn Chinese with Bao. The first lessons of every level are free.
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