imposter= a person who pretends to be someone else in order to deceive others，especially for fraudulent（欺诈性的） gain.冒名顶替者，可数
The handbag you described had been claimed by an imposter.
Under the microscope= under critical examination= under scrutiny，受缜密观察
While the technology behind AI-generated material, whether it be images, videos, writing or music, can show great promise（成功前景，不可数，相当于can show a promising prospect），it’s been under a tight microscope lately.
be composed of =be comprised of= be made up of= consist of= contain=include=involve=entail都有“包含”的意思
surrogate= a substitute, especially a person deputizing（担任代理，vi）for another in a specific role or office.替代者，可数，后场跟介词for，无贬义色彩（imposter是贬义词）
It’s always Joe who serves as a surrogate for the boss to manage the company when the latter is on a business trip.
incriminating= accusing= making someone appear guilty of a crime or wrongdoing，表明（他人）有罪的
AI-generated videos can spread incriminating misinformation.
whereby= by which凭此（上面的名词），conj.
Lawmakers are trying to work out legal mechanisms whereby authorities can go about getting AI-generated material that is fraudulent and fake and misinformation taken down off the internet.
nefarious=（typically of an action or activity）wicked or criminal，恶毒的
There are many concerns lately on how AI as a rapidly developing technology can be used for nefarious purposes.
rummage= search unsystematically and untidily through a mass or receptacle.（不卫生地）翻找，vi
Some old people rise before dawn and rummage through trash cans for plastic bottles that they can exchange for a bit of money.
注意steady的比较级是steadier
His salary is steadier as a garbage collector than when he was a teacher.
overstate=exaggerate夸大vt
The importance of marriage is from my perspective hugely overstated.
prohibit是禁止，inhibit是抑制，hinder是妨碍，都是vt
The basketball court being wet after the rain doesn’t hinder kids from playing basketball.
spindly=（of a person or limb）long or tall and thin，细长的
Giraffes that haven’t been born too long ago have spindly legs like noodles.
look to 中，如果to 作介词是“指望”的意思，如果to 作不定式是“想要”的意思
I look to my brother to solve this problem.
Birds are looking to get some food around the lake.
