swear به انگلیسی
From Longman Dictionary
swear /sweə $ swer/ ●●○ S3 verb (past tense swore /swɔː $ swɔːr/, past participle sworn /swɔːn $ swɔːrn/)
to use rude and offensive language
استفاده از زبان رکیک و توهین آمیز
to promise that you will do something
قول بده کاری انجام خواهی داد
to say very strongly that what you are saying is true
خیلی قوی بگویم آنچه شما می گویید درست است
to make a public official promise, especially in a court of law
برای دادن یک قول رسمی عمومی، به ویژه در دادگاه حقوقی
Example
I’ve never heard her swear
New citizens are asked to swear allegiance during the citizenship ceremony
He swore angrily when he realized he’d missed the train
She swears blind that she never met the man
As a repentant sinner I pledge to swear off this hallucinogen