HSK 7-9
截然不同
jiérán-bùtóngentirely different; different as black and white
姐妹俩的性格截然不同。
Jiě mèi liǎ de xìng gé jié rán bù tóng.
The two sisters have entirely different personalities.
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Appears across levels (7-9) in the HSK 3.0 word list.