Know what's what
有常识, 懂事, 有鉴别能力
🧩 词语组成解析
know
[no]
v. 知道;了解;认识;确信;
n. 知情;
what's
[[wɔts]]
（尤当 has 为助动词时, what is 或 what has 的常用口语形式）; 乌
what
[wɑt]
pron. （用以询问某人或某事物的词）什么，多少;…的事物;
adj. …的（事物或人）;
adv. （用于感叹句中）;
int. （用以表示不相信或惊奇）;（用以表示未听清楚对方说的话）;
🗣️ 情景例句
Thank you for dinner.
谢谢你的晚餐。
You'll be there in plenty of time.
你可以很方便地到达那里。
The actual figure was made of copper supported by a metal framework which had been especially constructed by Eiffel.
这座雕像的主体是用铜制成的，由艾菲尔特制的金属框架支撑着。