1
so far + [present perfect clause]
So far, I have learned 500 new words.
迄今为止，我已经学会了500个新单词。
到目前为止；迄今
先理解核心含义，再看它在真实句子里的用法。
到目前为止；迄今
so far
So far, I have learned 500 new words.
迄今为止，我已经学会了500个新单词。
直到现在；此前；还。
Until now; previously; yet.
有限的距离,字面或比喻的。
A limited distance, literal or metaphorical.
So far, I have finished three chapters of the book.
到目前为止，我已经读完了这本书的三章。
The project has gone well so far.
到目前为止，这个项目进展顺利。
We have not received any complaints so far.
到目前为止，我们没有收到任何投诉。
So far, I have learned 500 new words.
迄今为止，我已经学会了500个新单词。
常用于否定句句末。
No problems have arisen so far.
到目前为止，还没有出现任何问题。
常与最高级连用。
This is the most difficult exam so far.
这是迄今为止最难的考试。
Not this
I didn't see him so far.
Use this
I haven't seen him so far.
so far 表示“迄今为止”，通常与现在完成时连用，而不是一般过去时。因为动作从过去持续到现在，应用现在完成时。
Not this
He is so far the best student in the class.
Use this
He is by far the best student in the class.
so far 表示时间上的“到目前为止”，而 by far 用于强调程度，通常与最高级连用。此处要表达“显然是最好的”，应用 by far。
Choose the next layer that will help you use so far with more confidence.
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use so far naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
通常与现在完成时连用
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.