He practiced the proverb 'to keep a secret when asked about it' in order to protect the secret.

When will you go to Japan?

When are you going to Japan?

He will help at any time.

I laughed so hard at his joke that my cheeks fell.

His explanation is unconvincing.

After hearing that explanation, everything finally made sense.

He fell in love the moment he saw her for the first time.

The sight of cherry blossom petals falling as if dancing makes you feel the arrival of spring.

He asked me about the secret, but I remembered the proverb 'to fall into speaking', and said nothing.