As the phrase 'If it does not sing, let's wait until the cuckoo sings' suggests, we should wait patiently until the opportunity comes.

He is suspected of sabotage against the company's project.

He is trying to sabotage the project.

Mr. Tori is my neighbor.

Birds have feathers and wings.

I saw a bird in the park.

He is still in a state of not yet having a success for a long time.

Recently, this store has become so quiet that you can hear a pin drop.

She was moved when she caught the first sight of the beautiful scenery.

When starting a big project, one should remember the proverb 'start with what's near at hand'.