学一门外语既耗时间又耗精力。

Learning a foreign language takes time and energy.

youdao

为什么会认为小孩子的做发型应该要比大人的要花的少？小孩子不会静静地坐着，他们乱动乱踢。这可是一件很耗精力的事。

Why do you think a child's haircut should cost less than yours? Kids don't sit still. Kids kick. It's an intense experience.

youdao

为了支付房租和食物，他精力全都耗在了一份没完没了的单调工作上。

He exhausted himself on an endless treadmill to pay for rent and food.

《柯林斯英汉双解大词典》