I only fear that the little boat on the twin streams could not carry so much sorrow.
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舴 is not used independently in modern Chinese. It appears only in 舴艋 (a tiny boat), bound to 艋. The pair is famous from Li Qingzhao's line about a small boat too frail to carry one's sorrows. Built on the boat radical 舟.
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Classical and literary only. 舴 survives in poetry and the fixed compound, not in everyday Chinese.