- in vain = unsuccessfully
- напрасно/тщетно
[Pride and Prejudice, 1995]

- to cut to the chase = to talk about or deal with the important parts of a subject and not waste time with things that are not important
- перейти к сути дела/не ходить вокруг да около
[Dahmer-Monster: The Jeffrey Dahmer Story, 2022]

- to rat someone out = to tell on someone
- настучать/сдать кого-то
[Stranger Things, 2016]

- to keep someone on their toes = to make sure that someone remains alert and ready for anything that might happen
- не давать кому-либо расслабляться/держать в напряжении
[Normal People, 2020]

- eat me! = go to hell (an expression of anger and dismissal directed at someone who is irritating or who one has contempt for)
- на, выкуси!
[Shrek, 2001]

- square = a boring person who does not like new and exciting ideas
- обыватель/мещанин/консерватор (скучный, "правильный" человек)
[A Bigger Splash, 2015]

- it's not my thing/it's not my cup of tea = I don't particulary enjoy it or I'm not good at it
- это не моё
[In Bruges, 2008]

- sleepyhead = a person, especially a child, who is tired and looks as if they want to sleep
- соня
[Emily in Paris, 2020]

- to take a rain check = used to tell someone that you cannot accept an invitation now, but would like to do so at a later time
- перенести на другой раз (о приглашении/предложении что-то сделать)
[Sex and the City, 2000]

- a friend in need is a friend indeed = a friend who helps you when you really need help is a true friend
- друзья познаются в беде
[Pride and Prejudice, 1995]

- to be starving/famished = be extremely hungry
- умирать с голоду
[Little Women, 2019]

https://news.1rj.ru/str/for_instance_eng/146

- cheesy = of bad quality or in bad taste
- банальный/слащавый
[Big Little Lies, 2017]

- to stir up a hornet's nest = to cause a very difficult or unpleasant situation, especially in which a lot of people get very angry and complain
- разворошить осиное гнездо
[Enola Holmes 2, 2022]

- to put yourself in one's shoes = imagine how someone else feels in a difficult situation
- поставить себя на чьё-то место
[Landscapers, 2021]

- cranky = easily annoyed or upset
- сердитый/раздражительный/капризный
[Phantom Thread, 2017]

- to stand up for someone = to defend or support a particular person who is being criticized or attacked
- заступиться/вступиться за кого-то
[Persuasion, 2022]

- to go bananas = go crazy
- спятить/рехнуться
[Fantastic Mr. Fox, 2009]

- high-up = an important person who has a lot of authority and influence
- большая шишка/воротила
[Burn After Reading, 2008]

- screw you = fuck you (a nicer way to say it)
- да пошёл ты
[In Bruges, 2008]

https://news.1rj.ru/str/for_instance_eng/51

- make yourself at home = relax and make yourself comfortable in someone else's home
- чувствуйте себя как дома
[The Essex Serpent, 2022]