喻指长得瘦高而不强壮、体型像豆芽菜的人to be tall and thin; bean sprout

• 学校里的小胖子和“豆芽菜”都不少，进行营养教育十分必要。

  There are many fat kids and skinny kids in school. Nutritional education is extremely important.

• 眼看着“小胖墩”、“豆芽菜”一天天多起来，体育工作者一筹莫展。

  Sports instructors are very frustrated to see more and more overweight and skinny children.