To give one's whole heart and soul to something; to focus all one's attention and energy on a task or a person.
投入全部精力，一点没有保留。
无
She worked on the project wholeheartedly, putting her full heart and soul into it.
Learn the next connected idiom: 全心全意 (quán xīn quán yì) → 意想不到 (yì xiǎng bú dào)
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