zuì​chū HSK4

at first

最初 zuì​chū
at first adverb
initially or in the early stages of a period or situation

Initially, he didn't want to enter the competition.

initial adjective
first, original, or occurring at the beginning of a sequence or process

This was my original idea.

Frequency

Movie subtitles
14.4 per million appears in 7% of films
Written text
28.4 per million

Details

HSK 2.0
Level 5
HSK 3.0
Level 4

Sources

Definitions
CC-CEDICT