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make certain of (确实); make certain that (确实); figure out; learn; make certain | |||
find out | |||
clarify | |||
satisfy oneself | |||
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assure oneself of; assure oneself that | |||
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straighten |
弄清楚 : 7 phrases in 3 subjects |
American usage, not spelling | 1 |
General | 5 |
Mathematics | 1 |