故
gù HSK2

incident, happening, cause

故 gù
former noun
(bound form) original; former; old; previous
incident noun
(bound form) event; incident; accident

万一他出事故了怎么办？

wàn​yī tā chū shì gù le zěn​me​bàn?

What if he gets in an accident?

deliberately adverb
on purpose; intentionally; deliberately
reason adverbnoun
(bound form) reason; cause
to die adjective
(bound form) to die; to pass away; deceased
[hence]
hence; so; therefore; as a result
friend
(bound form) old friend; acquaintance
surname
a Chinese surname
still
(literary) still; as before; as usual

Frequency
Character
Written text
572nd most common 362.1 per million
Movie subtitles
577th most common 244.1 per million appears in 66% of films
Word
Movie subtitles
3.79 per million appears in 2% of films
Written text
60.0 per million

Details
HSK 2.0
Level 3
HSK 3.0
Level 2
Strokes
9
Unicode
U+6545

Sources
Frequency data
MTSU Chinese text computingSUBTLEX-CHBCC Corpus (BLCU)