In fact, according to developmental psychologist David Elkind, United States society tends to push children so rapidly that they begin to feel stress and pressure at a young age.
Parents have high expectations for their children, and once the children let them down, they will push a lot of pressure on their kids.
父母对孩子有很高的期望，一旦孩子让他们失望，他们就会给孩子施加很大的压力
3
The harder rocks push against each other, the hotter they become; in other words, pressure itself, not only the rocks' properties, affects frictional heating.