jī jǐng
perceptive
astute
sharp
sharp-witted
vigilant
alert
jì jīng
menstruation
regular periods
jí jìng
modulus (distance from the origin in polar coordinates)
jǐ jīng
to go through numerous (setbacks, revisions etc)
jī jīng
chicken bouillon powder (PRC)
essence of chicken, concentrated chicken stock sold as a tonic (Tw)