反 (fǎn) means “contrary; in reverse; inside out or upside down; to reverse; to return; to oppose; opposite; against; anti-; to rebel; to use analogy; instead; abbr. for 切 phonetic system”. It is an HSK 4 Chinese character in the HSK 3.0 vocabulary.
这两个观点正好相反。
Zhè liǎng gè guāndiǎn zhènghǎo xiāngfǎn.
These two viewpoints are exactly opposite.
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