English Dictionary

come clean

verb

(idiomatic) To confess; admit the truth. / 1921, B. M. Bower, chapter 6, in Sawtooth Ranch: / 1977 Oct. 23, John Gardner, "The World Of Tolkien," New York Times (retrieved 12 Sept 2013):

He finally decided to come clean about his involvement in the scandal.

意味（1）

(idiomatic) To confess; admit the truth.

意味（2）

1921, B. M. Bower, chapter 6, in Sawtooth Ranch:

意味（3）

1977 Oct. 23, John Gardner, "The World Of Tolkien," New York Times (retrieved 12 Sept 2013):

Perhaps it is only fair to come clean at the start and confess that I found J.R.R. Tolkien's Unfinished Tales a disappointment.

意味（4）

2005 August 8, "Quotes of the Day," Time (retrieved 12 Sept 2013):

When the sub got stuck, the brass kept the fact under wraps for 32 hours before Russia came clean and asked for foreign help.