A lack of
缺乏，缺少
🧩 词语组成解析
lack
[læk]
vt. 缺乏，缺少;需要的东西;
n. 缺乏，不足，没有;缺少的东西;
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
You must be green to believe that!
你真幼稚，竟然相信那个。
He's a very hard man to please.
他是一个很难讨好的人。
Recently it was damaged by a visitor.
可它最近被一个客人弄坏了，