大学生与小学生的人生困惑交换活动意外治愈了无数网友，这场跨越年龄的对话，为什么能戳中人心？

(used at the end of a declarative sentence for emphasis)

university student; college student

perplexity

primary school student

(directional complement) up

life (one's time on earth)

to need; to have to (usu. used in the negative or in questions)

CL:把[ba3],個|个[ge4]

to step across

to exercise; to move about; to work out

(used with 得[de2] or 不[bu4] after a verb to express (im)possibility, as in 忘不了[wang4 bu5 liao3] "cannot forget")

to talk (with sb)

for what reason?

to suggest

to reflect on

harvest (old)

to switch (telecom)

(literary) to give; to accord; to render

to see; to look at