In my previous view college is a symbol of freedom and bright while the life in senior high school is too dull to stand.

在我以前看来大学是自由的象征明亮而在高中生活太枯燥。

youdao

Not bright and clear in color; somewhat dull or drab. Often used in combination.

不鲜明的，不纯净的：色彩不鲜明的和不纯净的；略显暗淡的，略显单调的。常用于合成词。

youdao

Not bright and clear in color; somewhat dull or drab. Often used in combination.

不鲜明的，不纯净的：色彩不鲜明的和不纯净的；略显暗淡的，略显单调的。常用于合成词。

youdao