https://online2.tingclass.net/lesson/shi0529/0009/9907/786.mp3
https://image.tingclass.net/statics/js/2012
hit a wall 撞墻，遇到瓶頸，碰壁
When I hit a wall, I just take a break.
當(dāng)我碰到瓶頸，我就會休息一下。
Companies in that situation always hit a wall.
那種情況下的公司總是會遇到阻礙。
