karawhiua atu
1. go ahead and do it then, go ahead then, go on then, go for it, give it heaps - an idiom used to warn someone that if they go ahead and do something problems will result. Sometimes said to someone who will not listen or take advice.
Kua roa mātou e kī ana he taniwha kei tēnā wāhanga o te awa, engari kei te hiahia tonu koe ki te haere ki reira hī tuna ai. Ā kāti, karawhiua atu. / We have been saying that there is a taniwha in that part of the river, but you still want to go there and fish for eels. Well, go and do it then.
karawhiu
1. (verb) (-a) to drive, lash, pelt down (of rain), whip.
2. (verb) (-a) to give it everything, act aggressively, act with vigour.
Ka tīmata te kōkiri, karawhiua ana e rātou te haka a Te Rauparaha, a 'Ka mate, ka mate'. Karawhiua ana hoki te whakawāteatea atu i te hoariri, i ngā Tāke i ō rātou kōruarua (TTR 1998:180). / When they began the attack they vigorously performed Te Rauparaha's haka, 'Ka mate, ka mate' as they set about aggressively clearing the enemy, the Turks from their trenches.
See also karawhiua, karawhiua atu, karawhiua mai