a. Better late than never - It's better to do something late than to not do it at all. Example: "He finally apologized, saying better late than never." b. Kill time - To occupy oneself during a period of waiting or when there's nothing else to do. Example: "I usually read a book to kill time during my commute." c. Against the clock - To be in a race against time or running out of time. Example: "They worked against the clock to finish the project before the deadline." d. In the nick of time - Just in time or at the last possible moment. Example: "She arrived in the nick of time to catch the train." e. Time flies - Time passes quickly. Example: "It feels like yesterday, but time flies, and now they're all grown up."