投石问路 tóu shí wèn lù

DEFINITIONS

  1. lit. to toss a stone to find out what's ahead (idiom)
  2. fig. to test the waters

CHARACTERS

投 tóu throw, cast, fling, pitch; jump
石 shí stone, rock, mineral; rad. 112
问 wèn ask about, inquire after
路 lù road, path, street; journey