Meaning of chā:
差
difference; discrepancy; (math.) difference (amount remaining after a subtraction); Taiwan pr. [cha1]; (archaic) person sent on such an errand; job; official post; used in 參差|参差[cen1ci1]
Tāmen zài shùxuétí de dá'àn shàng yǒu yīxiē chāyì.
他们在数学题的答案上有一些差异。
They have some discrepancies in their math problem answers.
Jìsuàn zhè liǎng gè shù de chā.
计算这两个数的差。
Calculate the difference between these two numbers.
Tā de gōngzuò biǎoxiàn hěn chà.
他的工作表现很差。
His performance at work is very poor.
Tā bèi pài qù zhíxíng yī xiàng zhòngyào de chāishì.
他被派去执行一项重要的差事。
He was sent to carry out an important errand.
Tā bèi pài dào wàidì zhíxíng yí gè zhòngyào de chāi.
他被派到外地执行一个重要的差。
He was sent to another city to carry out an important task.
Tā de gōngzuò biǎoxiàn hěn chà.
他的工作表现很差。
His work performance is very poor.
(literary) a little; somewhat; slightly
Jīntiān de tiānqì zhǐ yǒu yīdiǎn chā.
今天的天气只有一点差。
Today's weather is only a little bad.
different; wrong; mistaken; not up to standard; inferior
Zhè liǎng zhǒng fāng'àn zhī jiān yǒu yīxiē hěn dà de chāyì.
这两种方案之间有一些很大的差异。
There are some significant differences between the two plans.
Tā huídá de wèntí dōu bù chà.
他回答的问题都不差。
His answers to the questions are not mistaken.
Tā de chéngjī hěn chà, xūyào duō nǔlì.
他的成绩很差,需要多努力。
His grades are very poor and he needs to work harder.
to fall short; to lack; to send (on an errand)
Zhè lǐ de tiānqì hé yùbào de chà hěn duō.
这里的天气和预报的差很多。
The weather here is quite different from the forecast.
Jīnglǐ juédìng chāi tā qù Shànghǎi chūchāi.
经理决定差他去上海出差。
The manager decided to send him on a business trip to Shanghai.