恣 zi³ {zì}

1. to abandon restraint
2. to do as one pleases
3. comfortable (dialect)

恣情 zi³ cing⁴ {zì qíng}

1. to indulge in something to one's heart's content
2. wanton or willful

恣意 zi³ ji³ {zì yì}

1. without restraint
2. unbridled
3. reckless

恣欲 zi³ juk⁶ {zì yù}

to follow lustful desires

恣肆 zi³ si³ {zì sì}

1. unrestrained
2. unbridled
3. free and unrestrained (style)
4. bold

恣行無忌〔--无-〕 zi³ hang⁴ mou⁴ gei⁶ {zì xíng wú jì}

to behave recklessly

恣意行樂〔---乐〕 zi³ ji³ hang⁴ lok⁶ {zì yì xíng lè}

to abandon restraint and have a fling (idiom)

恣意妄為〔---为〕 zi³ ji³ mong⁵ wai⁴ {zì yì wàng wéi}

to behave unscrupulously