Examples
wán玩zhè xiē这些diàn nǎo电脑yóu xì游戏yào要fǎn yìng反应líng mǐn灵敏。
玩这些电脑游戏要反应灵敏。
You need to have quick reactions to play these computer games.
盲人的耳朵通常十分灵敏。
A blind person's hearing is often very acute.
狗的听觉比人类灵敏不知多少倍。
The hearing acuity of dogs is superior by far to that of humans.