疾(jí)

Origin:

一支利箭向一个人的的胸部射去，当然伤了人。“疾”的本义是“伤”、“病”，引申为“厌恶”、“憎恨”，又因为箭的速度很快，因此又有“迅速”的意思。
A sharp arrow shot at a person’s chest will of course, cause harm. The original meaning of “疾” is to be hurt or sick, which extended to disgust and hatred. As arrows fly at high speeds, “疾” also means fast.
Meaning:
disease; sickness; suffering; pain; hate; abhor; fast; quick

Words:
疾病(jíbìng) sickness

残疾(cánjí): disability

眼疾手快(yǎnjíshǒukuài): sharp eyes and agile hands or nimble fingers

 嫉恶如仇(jí’è rú chóu): hate evil as one’s enemy
Sentences:

1、Jíshǐ shēntǐshàng yǒu cánjí, yě bù néng fàngqì xīwàng.
 即使身体上有残疾，也不能放弃希望。
Even with physical disabilities, one cannot give up hope.
2、Tā shì yīmíng hégé de lǜshī, jí’è rúchóu.
她是一名合格的律师，嫉恶如仇。
She is a very qualified lawyer; she hates evil as her own enemy.