ka mau te wehi!
1. (interjection) how terrible! how terrific! fantastic! awesome! how frightening - often used to praise something or someone's work. Sometimes also used to express the opposite or to express awe, amazement or fear.
(Te Pihinga Textbook (Ed. 2): 106; Te Pihinga Audio Tapes/CDs (Ed. 2): exercise 40; Te Kōhure Textbook (Ed. 2): 196;)
Ka mau te wehi o ngā waituhi a Ralph Hōtere. / Ralph Hōtere's paintings are fantastic.
ka mutu koe
1. you're the one, you're marvellous, you're neat all right, you're awesome, you're too much - an idiom to praise someone or their work.
Tio: Kotahi rau paiheneti taku māka mō taku whakamātautau pāngarau, e Mā. Whaea: Ka mutu koe! / Joe: My mark for my maths exam was a hundred percent, Mum. Mother: You're neat all right!