- (chiefly imperative) Pay attention; be alert.
- (chiefly imperative) Hurry up; work quickly.
- 1886, Lim, Hiong Seng, Handbook of the Swatow Vernacular, Singapore: Koh Yew Hean Press:
- Have you made a fire in the grate? / Not yet, I am just going to make one. / Look sharp, it is very cold, and make the fire very fierce.