zhì​yú HSK6

as for

至于 至於 zhì​yú
as for preposition
Connects to a new topic or mentions a related matter; as for, as to, or regarding

As for the others, I am not so sure.

to go so far as adverb
To reach a certain point or result in a certain situation, often used in negative sentences or rhetorical questions to mean "go so far as to" or "to that extent"
to arrive at
(Literary) to arrive at or reach a certain place

Frequency

Movie subtitles
21.9 per million appears in 10% of films
Written text
60.8 per million

Details

HSK 2.0
Level 5
HSK 3.0
Level 6

Cross-References

Same as

Sources