第三年第两百四十三天

[nnozomi]

成语
费尽心思 to rack one's brains, to use all the knowledge at hand
同归于尽 to die along with the enemy, mutually assured destruction
仁至义尽, great benevolence, virtue and duty
必有重谢 all gratitude, we would appreciate it
有教无类 education for everyone
岂有此理 absurd, how can that be
违法乱纪 to break the law and violate discipline
其乐融融 very happy, joyous and harmonious
喜怒哀乐 the four emotions; happiness, anger, sorrow, and joy
( pinyin )

语法
Sentence-ending particles
https://mandarinbean.com/modal-particles-for-beginners/
https://resources.allsetlearning.com/chinese/grammar/Sentence-final_interjection_%22a%22
More counting/measure words
https://mandarinbean.com/classifiers-for-beginners-4/
https://resources.allsetlearning.com/chinese/grammar/Measure_word
Still more measure/counting words
https://mandarinbean.com/classifiers-5/

词汇
姑娘, girl/Miss
古，古代, ancient
故乡, hometown; 事故, accident
挂, hang
关系, relationship; 关注, pay attention to; 海关, customs (as in what you pass through at the airport); 相关, correlate
观察, observation; 观看, watch/view; 观念, concept; 观众, audience; 客观, objective (as in, not subjective); 乐观, optimistic
( pinyin )

https://mandarinbean.com/new-hsk-3-word-list/

玩玩
Yisa Yu and Yan Mingxi|Gigi Yim singing 苏州河 (half in Mandarin and half in Cantonese), and Mindy Quah singing 爱我 (a Chinese cover of the Dreams Come True classic).

好热～～，我没劲儿了。大家过得怎么样？好好保重身体呀。