«آدِيني حَيَّهْ لمَّا أَشوفِ اللِّي جَيَّهْ»

The speaker refuses to take someone else’s supposed superiority on trust. She intends to be there when the other woman arrives and judge the comparison for herself.

The remark is sarcastic rather than welcoming. Its show of patience casts doubt on the claim that the newcomer will prove better at what the speaker has been doing.

If a wife is told that another wife, or another woman taking over her work, would do better, she might reply with this saying. She presents herself as willing to stay and witness the comparison, while making clear that she doubts the promised improvement.