Give up, discard 同 abondon 有咩野分別?

Give up-----放棄
e.g. I give up smoking
e.g. Don't give up...

Discard -----拋棄,丟棄
e.g. I discard the old shoes

Abandon ----- 遺棄
e.g. She abandons her old child

Give up --> 放棄
Discard --> 拋棄
Abandon --> 遺棄

example
1. He never gave up hope
他佢冇放棄到希望

2. Discard of traditional beliefs
拋棄傳統信念

3. She abandoned her baby
佢遺棄左佢個BB