To expose or disclose something (such as feelings, secrets, or true intentions); to lay bare.
彼は自分の弱さをさらけ出して、仲間に助けを求めた。
He laid bare his weaknesses and asked his colleagues for help.
SNSに個人的な情報をさらけ出すのは危険だ。
It's dangerous to expose personal information on social media.
会議で本音をさらけ出したら、意外にみんな賛成してくれた。
When I came out with my true feelings in the meeting, surprisingly everyone agreed.