This is the 2672nd most frequent Chinese word.
不仅仅
"Not just; not only."
In this sentence, '不仅仅' is used to explain that her skills extend beyond playing the piano, showcasing her versatility in musical talents.
她不仅仅擅长钢琴,还会弹吉他。
She is not only skilled at playing the piano, but also can play the guitar.
Here, '不仅仅' is used to express that the suitability of the book extends beyond students to include teachers, emphasizing inclusivity.
这本书不仅仅适合学生,也适合老师。
This book is not only suitable for students, but also suitable for teachers.
Here, '不仅仅' illustrates the speaker's perspective extending beyond the common association of exercise with health benefits to include psychological benefits.