to make a small or funny mistake
сделать маленькую или смешную ошибку (sdelat malenkuyu ili smeshnuyu oshibku)
"Oops, I made a boo-boo and sent the wrong file!"
"Упс, я сделал ошибку и отправил неправильный файл!" (ups, ya sdelal oshibku i otpravil nepravilnyy fayl)
to achieve the highest position in a company or field
to choose not to participate
to impress or surprise someone greatly
a simple and perfect solution to a complex problem
to stay focused on your goal or objective despite obstacles
to control people very strictly and harshly