Plumb the depths of
达到...的最低点
🧩 词语组成解析
the
[ðə]
art. 指已提到的人（物）;指说话人与听者已知的人（物）;用于独一无二的事物前;与形容词最高级和序数词连用;
depths
[[depθs]]
n. 深处；深渊
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Think nothing of it.
别放在心上。
There's no such thing as a free lunch.
天下没有白吃的午餐。
It is clear that the cat has eaten it!
很明显，是猫偷吃的！