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Definitions4 characters
ku3 xin1 gu1 yi4
to make painstaking efforts (idiom); after much trouble/to work hard at sth
Usage•••frequent
Pronunciations

As word

1
ku3
to make painstaking efforts (idiom); after much trouble/to work hard at sth
2
xin1
to make painstaking efforts (idiom); after much trouble/to work hard at sth
3
gu1
to make painstaking efforts (idiom); after much trouble/to work hard at sth
4
yi4
to make painstaking efforts (idiom); after much trouble/to work hard at sth