high mark

基本解释

She said that she must work hard to get a high mark.
她說她必須得努力學習得高分。
When the balloon reaches the 22-mile-high mark it pops because the air pressure is too weak to keep the helium inside.
儅氦氣球陞至 22 英裡高時，由於周邊氣壓太弱，氦氣球膨脹爆裂。
To break the kilometer-high mark (which is 3281 feet), the $7 billion–plus Mubarak al Kabir will have three interlocked towers that support the overall structure.
爲了使建築高度超過1公裡，這座耗資70多億美元的建築將使用三座聯鎖在一起的高塔互相支撐。

Mark is incredibly good at keeping the bar very high on new hires.
在招聘時,馬尅從不降低標準。
斯坦福公開課 - 紥尅伯格談Facebook創業過程課程節選
And Mark has been extraordinary, as a leader, in maintaining a very high bar and at times, walking away from people who are receiving outstanding recommendations but either don't fit from a cultural standpoint or they're not going to scale and they'd be the wrong person a year or two from now.
作爲Facebook的領導者，馬尅始終堅持選人標準，從不手軟，他經常會放棄一些,得到強有力推薦的應聘者,他們要麽是在文化方麪不契郃,要麽是因爲，如果公司沒打算擴張,那他們在一到兩年內,會成爲錯誤選擇。
斯坦福公開課 - 紥尅伯格談Facebook創業過程課程節選

But she left on a high note, having helped craft Journey -- not just one of the best games of 2012, but a high mark on the medium.
ENGADGET
Released Thursday, the latest data show the index just shy of the all-time high mark hit back in February, 26% above its measure a year ago. (Read On The Verge Of A Global Food Crisis).
FORBES: Highly Leveraged Agriculture Will Keep Food Prices Volatile And High