to save one's breath
01
لا تتعب نفسك, الكلام معه لا يفيد
to avoid wasting one's time and energy by not trying to persuade or convince someone who is unlikely to change their opinion or behavior
أمثلة
Save your breath, Tom. There's no way they'll agree to the deal.
حاولت تحذيرها، لكن كان عليّ ألا أتعب نفسي.



























