at eighty can knock us out, and into our grave.
能到了80岁可能会使我们一蹶不振而进入坟墓。
新概念英语第四册 Lesson 37 The process of ageing

📚 句中词汇解析

从本句中提取的重要词汇

eighty ['eiti] 词频1
num. 八十; n. 八十;八十年代;八十岁; adj. 八十的;八十个的;八十岁的;
💡 eigh八+ty十 →八十
"There are scores of people there, maybe eighty or more."
那里有好多人, 也许有80个或者更多.
近义：fourscore
grave [ɡrev] 词频2 词根: grav
adj. 重大的，重要的;严重的;[音乐]沉重的;（颜色等）朴素的; adv. 沉重地，庄重地;极慢地; n. 坟墓，墓穴;埋葬…的地方;下场;死亡; vt. 雕刻;铭记;
💡 grav 重+e → 重大的，庄重的
"We visited Grandma's grave."
我们给祖母扫了墓。
近义：calk, caulk, sculpt, sculpture, carve, chisel 反义：idle, immaterial, inconsequential, inconsiderable, insubstantial, meaningless
knock [nɑk] 词频1
n. 短促的敲打（声）;爆震声;敲击声;敲门（或窗等）声; vi. 猛烈敲击;与某物相撞;撞到了桌子; vt. （心）怦怦跳;把…撞击成（某种状态）;批评;
💡 敲打你“脑壳”（谐音）
"a knock on the door"
敲门
近义：hit, knuckle, pound, bat, beat, bonk

📚 更多「新概念英语第四册」例句

wants agreement on general principles, which could be applied to many types of products and perhaps extended to other countries.
则希望就普遍的原则取得一致，而这些原则适用于许多不同产品，同时可能延伸到其它国家。
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.
我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。
Knowledge began to increase as soon as the thoughts of one individual could be communicated to another by means of speech.
人一旦能用语言同别人交流思想，知识的积累便开始了。
he identifies himself with its centre of gravity, its mass, its weight;
他把自身和物体重心、质量、重量融为一体。
in France in 1806, and in England in 1876,
在法国是在1806年，在英国是在1876年。
they are in that condition of eager discomfort which passes for inspiration;
他们处于急切不安的状态，而这被当作是灵感。