Mǔqīn míliúzhījì zuì qiānguà de shì yuǎnfāng de nǚ'ér.
On her deathbed, what weighed most on her mind was her faraway daughter.
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From the 《尚书·顾命》 (The Testamentary Charge): describing King Cheng of Zhou, 病日臻，既弥留 - his illness worsened day by day and he lingered on at the brink. 弥 = to linger, 留 = to stay: 'lingering-staying at the edge.'
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Solemn, literary. Used in obituaries, memoirs, and serious narrative. Do not use jokingly - the weight of the phrase is equivalent to English "on one's deathbed."
