Watch

值日

zhírì

(particular time period)

值班

zhíbān

(particular time period)

手錶 /手表

shǒubiǎo

(portable or wearable timepiece)

看

kàn

(to look at for a period of time)

看守

kānshǒu

(to attend or guard)

觀 /观

guān

(to look at for a period of time)

觀察 /观察

guānchá

(to observe)

觀看 /观看

guānkàn

(to look at for a period of time)