One day, I found David alone with Perronet in his arms.

一天，我发现大卫独自抱着佩罗内。

youdao

How does it feel to be alone all day?

整天独自一个人感受如何？

《牛津词典》

A new study from the University of New South Wales has discovered that during the working week, Australian fathers only spend an average of just over a minute each day alone with their children.

新南威尔士大学的一项新研究发现，在工作周期间，澳大利亚的父亲们每天单独陪伴孩子的时间平均只有一分钟多一点。

youdao

The picking machine alone guzzles down nearly 400 liters of fuel per day.

VOA: standard.2009.12.12

Colville calls this is an almost unimaginable situation for children and other civilians to have to live through for even one day, let alone months on end.

VOA: standard.2009.10.25

Carnegie was in the office alone one day when news came of a wreck on the Eastern Division.

FORBES: To Be Born Poor Doesn't Mean You'll Always Be Poor

The eldest daughter of Indonesia's first president, Sukarno, shone alone that day, but Megawati usually shares billing with others on the grand political stage of post-Suharto Indonesia.

CNN: A REAWAKENING OF POLITICS

But she was alone all day.

WSJ: Senior Living It Up