unaffected

"He is a student of life."

"The student's affectation of profound knowledge about literature was clearly a disguise for her lack of reading. "

"The tadpole changed into a frog.   Stock prices are constantly changing."

"Meeting him will be exciting. I enjoy meeting new people."

"under pretense of friendliness"

"Do you need a gift for that special someone?"

"The daily routines at school help students stay organized and focused. "

"Surprisingly, my sister decided to volunteer at the animal shelter this weekend. "

"The experience affected me deeply."

"The politician received a lot of public criticism for his controversial stance on the issue."

"The tomato plants had some kind of disease that left their leaves splotchy and fruit withered."

"Despite her parents' disapproval, Sarah pursued her dream of becoming a musician. "