虎の尾を踏む;トラの尾を踏む;とらの尾を踏む [とらのおをふむ(虎の尾を踏む;とらの尾を踏む);トラのおをふむ(トラの尾を踏む)] /(exp,v5m) (id) to play with fire/to do something very dangerous/to take a great risk/to step on a tiger's tail/EntL1852640/