qí suǒ
its place
one's appointed place
the place for that
gè dé qí suǒ
each in the correct place
each is provided for
bù zhī qí suǒ yǐ rán
not recognized for what it is
zhī qí rán ér bù zhī qí suǒ yǐ rán
to know that it is so but not why it is so (idiom)
yòng de qí suǒ
used properly
used for its intended purpose
to put to good use
to serve its purpose
tóu qí suǒ hào
to adapt to sb's taste
to fit sb's fancy
wàng qí suǒ yǐ
see 忘乎所以[wang4 hu1 suo3 yi3]
shì dé qí suǒ
exactly what one would wish
to find one's niche