他连煮鸡蛋都不会，更不用说做一顿完整的饭了。

He can't even boil an egg, ___let ___alone cook a full meal.

她连基础数学都困难，更不用说高等微积分了。

She struggles with basic math, ___let ___alone advanced calculus.

这个队本赛季连一场比赛都赢不了，更不用说夺冠了。

The team can't win a single game this season, ___let ___alone the championship.