肆无忌惮 (sì wú jì dàn) — absolutely unruly; brazenly unscrupulous; without the slightest restraint

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

肆 pairs 镸 as a meaning part with 隶 as a sound part.

A drawing of the thing itself, worn down over three thousand years into a few strokes.

This origin belongs to the traditional form 無; 无 is its simplified writing.

For the simplified 无, the story is about 無. 無 drew a person dancing with ox tails held in both hands to pray for rain, then was borrowed for 'have no', so the picture does not explain that meaning.

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

忌 combines 己, which gives the sound, with 心, the heart, as the part connected to the meaning.

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

This origin belongs to the traditional form 憚; 惮 is its simplified writing.

The traditional form 憚 puts 心 (heart) beside 單 (dān), which gives the sound; the simplified 惮 is a later shorthand.