The secretary had the information at her fingertips. 

To let off steam my friend started murmuring 

Do not lose your head in public. 

Regardless of what her parents said, she wanted to let her hair down that night. 

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

A person’s last performance

My sincere advice to my maidservant fell on stony ground. 

He has all his ducks in a row, he is complacent. 

Adolescence is a period of halcyon days.