N-SING
（某人的）病床边
If you talk about being at someone's bedside, you are talking about being near them when they are ill in bed.
例句
She kept vigil at the bedside of her critically ill son...
她整夜都守在病重的儿子床边。
She was called to her brother's bedside.
她被叫到了哥哥的病榻前。