1.   Whatever type of change you are dealing with, you need your wits about you.

2.   If ever there was a night to be numbed by champagne this would be it, but she needed her wits with this man.

3.   He needed his wit for other things, such as making money.

4.   As he makes his way from Los Angeles to Washington and on to Denver, Chicago, New York and Boston, Zhu will need his wits.