1 . You only have a short time to do this work. Don't waste time ( clock)
=> You are working against the clock, so don’t waste time.
2. People often think that Peter is his twin brother ( mix)
=> People often mix Peter up with his twin brother.
3. Mai will find out if she has been deceived very soon ( just)
=> Mai is just about to if she has been deceived.
4. I never forget to consider her ideas before making the final decision ( account)
=> I never forget to take her ideas into account before making the final decision.