eye
small hole
crux (of a matter) M: 只zhī [只]
双shuāng [双]
classifier for big hollow things (wells, stoves, pots etc) or needle, nail, lamp etc
eyelet
opening
aperture
salient point
insight
trap (in chess)
unaccented beat (in opera)
eyesight
a final particle to express surprise
agreement
disagreement
tone of reminder or emphasis
when quoting words said by others