Polite and impolite sentences in English to Nepali

Impolite: Do it today.

Polite: It would be great if you could do this today.

यदि तपाईंले आज यो गर्न सक्नुभयो भने उत्तम हुनेछ।

Impolite: I got late. Polite: I'm sorry. I got little late. माफ गर्नुहोस्। मलाई आउन अलि ढिलो भयो।

Impolite: Can I smoke here? Polite: Would you mind if I smoked here? यदि मैले यहाँ धूम्रपान गरें भने तपाईलाई आपत्ति छ?

Impolite: Stop smoking in this room. Polite: Would you mind not smoking in this room, please? कृपया, तपाई यस कोठामा धुम्रपान नगर्न सक्नुहुन्छ?

Please check this video for more Polite and impolite sentences in English to Nepali