机警 (jī jǐng) — sharp-witted, quick-minded; vigilant, watchful

Definition

Examples

• 这位侦察兵非常机警，能及时发现敌情。
  Zhè wèi zhēn chá bīng fēi cháng jī jǐng, néng jí shí fā xiàn dí qíng.
  This scout is very sharp-witted and can detect enemy movements in time.
• 那只野兔十分机警，一有风吹草动就跑了。
  Nà zhī yě tù shí fēn jī jǐng, yì yǒu fēng chuī cǎo dòng jiù pǎo le.
  That hare is extremely vigilant; it runs away at the slightest sign of danger.
• 在复杂的社会环境中，保持机警能避免很多麻烦。
  Zài fù zá de shè huì huán jìng zhōng, bǎo chí jī jǐng néng bì miǎn hěn duō má fan.
  In complex social environments, staying alert can avoid a lot of trouble.

Origin