将姓名缩写成[最终表示的]格式需要手工调整，比如中间名“O'Flynn”缩写为“O'F.”，或者知道“Willard van Orman Quine”是“Quine, W.V.O.”的完整形式。

educing names to [a final presentation] format requires hand-tuning, as when the middle name "O'Flynn" reduces to "O'F.", or knowing that "Willard van Orman Quine" is properly "Quine, W.V.O."

youdao

它上翅上的鳞屑是蓝色的，所以它又有另一个名字：细尾蓝小灰蝶(英文缩写为GBH)，(GHB是它的朋友，这个缩写在英国是严重的身体伤害的意思！)

The scales on its upper wings are blue, so giving it its alternative name, the Great blue Hairstreak (GBH to his friends, which stands for Grievous Bodily Harm in the UK!)

youdao

What it mean is "let us" and it's pulled together in the simpler "let's."

当它指“let us”的时候，就可以缩写为“let's”。

Let's 课堂 - SpeakingMax英语口语达人