If you understand, say "understand".
If you don't understand, say "don't understand".
But if you understand and say "don't understand".
How do I understand that you understand? Understand!
如果你明白,就说“明白”
如果你不明白,就说“不明白”
但说如果你明白了却要说“不明白”
那我怎么知道你明白了?明白!
If you don't understand, say "don't understand".
But if you understand and say "don't understand".
How do I understand that you understand? Understand!
如果你明白,就说“明白”
如果你不明白,就说“不明白”
但说如果你明白了却要说“不明白”
那我怎么知道你明白了?明白!