He admitted his guilt and had no choice but to wait for his punishment.

I came, I saw, and I won.

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 has done everything he can to prepare for the exam, and now he is in a state of 'doing all that is humanly possible and waiting for fate to take its course'.

Since he is always laughing, it can be said that 'fortune comes in by a merry gate'.

He spent his money as quickly as 'a duck comes bearing green onions', which means a fool and his money are soon parted.