Zuìfàn sìwú-jìdàn de zài guāngtiān-huàrì zhīxià xíngqiè.
The criminal brazenly stole in broad daylight.
Tips
memory
肆 (four / to act wantonly) + 无 (without) + 忌 (to fear/taboo) + 惮 (to dread) = 'without fear or dread of anything'. Picture someone running wild on all four limbs (肆).