You will have to shed the tears and you've got to bang your head on the wall and go through your own private struggle.

你们也要激动到流泪,懊悔到用脑袋撞墙,兴奋挣扎都要亲身经历

耶鲁公开课 - 基础物理课程节选

Sadly, it was a feeling similar to poking your head through the sun gate at Machu Picchu and seeing the ancient ruins for the first time after four days of hiking the Inca Trail.

CNN: Apparently This Matters: Paging Dr. Mario

Twitter lets you share those funny little observations that float through your head .

FORBES: 8 Reasons Why Twitter Can Boost Your Happiness.

You feel as if streaks of pain are running through your head, you thrash your body, you search for some escape but find none.

CNN: Internet prodigy, activist Aaron Swartz commits suicide