机警

Traditional form:

機警

Pinyin (reading):

jījǐng

Definitions:

• perceptive
• astute
• sharp
• sharp-witted
• vigilant
• alert

Characters:

• 机 - desk; machine; moment, opportunity
• 警 - to guard, to watch; alarm, alert

Traditional characters:

• 機 - desk; machine; moment, opportunity
• 警 - to guard, to watch; alarm, alert