I can't do anything halfheartedly. I have to do everything 100 percent.

我做任何事情都不能半心半意。我做每件事都必须百分之百地投入。

《柯林斯英汉双解大词典》

At the top of the page was a photo of a chubby 2-year-old in striped shorts, smiling halfheartedly—Raul himself as a toddler.

网页最上面，是一个胖乎乎的两岁的孩子，穿着条纹短裤，笑得有些不情愿——正是劳尔小时候的样子。

youdao

What sun there is this time of year shines weakly, halfheartedly through the white gauze of clouds, offering not even the slightest pretense of warmth.

一年中此时的太阳发出微弱的光线，懒洋洋地透过薄薄的云层，没有一丝暖意。

youdao

Apart from an idle man halfheartedly flipping through a book of local attractions, there was no one in the front of the shop, where miniature carved boats and model fish aged unwanted on the shelves.

NEWYORKER: Alone