What's the difference between these pairs of words? My book doesn't give a clear distinction between them.

如果 - 要是

必须 - 要

报名 - 注册

查 - 检查

读书 - 看书

closed as too broad by congusbongus, user3306356, songyuanyao, Wang Dingwei, Claw Jan 28 '15 at 2:20

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These are similar terms just as their english counterparts:

如果 - In case
要是 - If

必须 - Necessary
要 - Need / require

报名 - Sign up
注册 - Register

查 - Check / Search
检查 - inspection

读书 - Reading (in terms of Studying)
看书 - Read a book


要是 [yào shi] if ; suppose ; in case

如果 [rú guǒ] if ; in case ; in the event of ; supposing that ; in the event

汉语词语 词目:要是 拼音:yào shì 近义词:要是——如果 基本解释 [in case;if] ——用在偏正复句的偏句中,表示假设,相当于“如果”


如果 - 要是: almost same, 如果 formal language, 要是 oral language.----

必须 - 要: 必须 is "must" very strong, 要 is "shall" not strong.----

报名 - 注册 same

查 - 检查 same, 查 is a short one of 检查

读书 - 看书 same

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