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以后 vs 之后 (after / afterwards)
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In a formal report
- You are writing up what happened after a company meeting.
- meeting会议termination结束after之后,manager经理to declare宣布(completed / change)了new新(modifier / structural particle)的plan计划。 — "After the meeting ended, the manager announced the new plan."
after以后 and after之后 = after
- X + after以后 / after之后 both mean "after X": to finish class下课after以后 / to finish class下课after之后.
- after之后 sounds a little more formal and written.
graduation毕业after之后,he他went to去了Shanghai上海。

下课以后 and 下课之后 mean the same.
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After a clause, both mean “after”.
Alone at the start
- after之后 can start a sentence meaning "afterwards": we我们early先went to去(completed / change)了museum博物馆。after之后,we我们went to去to eat吃饭。
- after以后 alone at the start usually means "in the future, from now on": after以后我会to take note of注意.
afterwards之后,we我们went去to eat吃饭。
Past story: “We went to the museum. Afterwards, we ate.” 我们去了博物馆。____,我们去吃饭。
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Afterwards in a past story: 之后.
Past "afterwards" versus future "from now on"
- "Afterwards" in a past story: after之后 (or afterwards后来), not a bare after以后.
- "From now on": after以后, not after之后: after以后don't别to arrive late迟到(completed / change)了.
“From now on, please don't be late.” Which fits? ____请别迟到了。
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以后 alone means “from now on, in future”: 以后请别迟到了. 之后 needs a reference event (下课之后), 后来 is only for the past, and 然后 means “and then”.
With a time span
- Both follow a duration: 三天after以后 / 三天after之后 = three days later.
- after之后 also pairs with not long不久: not long不久after之后 — "not long after".
not long不久after之后,he他then就returned home回国了。
Build: “Not long after, he returned home.”
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不久之后 + clause.
Recap
- X after以后 / X after之后 = after X; after之后 is more formal.
- Alone: after之后 = afterwards (past); after以后 = in the future, from now on.
Read the full reference: HSK 5 grammar — Comparing similar time words.
You are writing up what happened after a company meeting. Close the examples. Say a Mandarin response, then write it in Chinese. Explain briefly in English what the lesson’s pattern adds. Compare with the model, then change one detail and try again.
This is supported productive practice. Compare meaning and structure; your answer need not copy the model. A partner or teacher must hear the spoken response to comment on pronunciation.