feel o's way தடவிப் போ taṭavip pō (taḍavi poo) (3b intr) act cautiously; proceed carefully without being sure of the outcome; grope o's way along
Usage:
அந்த மாதிரி நிலத்தில், கொஞ்சம் தடவித் தடவிப் போகவேண்டும். anta mātiri nilattil, koñcam taṭavit taṭavip pōkavēṇṭum. anda maadiri nelattule, konjam taḍavi taḍavi poohaṇum. In that kind of situation, you just have to kind of feel your way along.