行止

xíng zhǐ bù míng

行止不明

whereabouts unknown

xíng zhǐ wú dìng

行止无定。

There's no telling where somebody is.

xíng zhǐ bù jiǎn

行止不检

indiscreet in one's behaviour

xíng zhǐ yǒu kuī

行止有亏。

His conduct has some shortcomings.

xíng zhǐ xiāng suí

行止相随

behavior go hand in hand