It seems a simple problem, but it is actually quite complex [complicated].
難易度：高（12語）
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He seems to have known the secret / It seems that he knew the secret.
I don't feel he is consistent in what he says.
This medicine will gradually lessen the pain.
I celebrated my birthday.
The lawyer claimed that she was innocent.
He finally accomplished his goal.
The tale is familiar to us.
This story is based on facts.
She raised her children carefully.
My teeth hurt.
He is lacking in common sense.
Do you have the time?