heoi anō [tāu] ka riwha ...
1. all [you're] good for is - an idiom suggesting that someone is only good for one thing, or particular things.
Whaea: Tō tāne, he māngere, he koretake. Tamāhine: Kāo, he pūkenga ngōna ki ngētehi momo mahi. Whaea: Heoi anō tāna ka riwha, he haurangi, he mahi mokopuna! (HKKT 2011:11). / Mother: You man is lazy and useless. Daughter: No, he has skills at some types of activities. Mother: All he's good for is getting drunk and making grandchildren!