Dic: hold your own, hold its own

• The Frenchman held his own against the challenger.
• She was unable to hold her own, and she had to quit.
• The French franc held its own against the D-mark.
• Our cotton shirts can hold their own against shirts costing $40 or more.

1. PHRASE : V inflects | If you hold your own, you are able to resist someone who is attacking or opposing you.

2. PHRASE : V inflects, oft PHR against n | If you can do something well enough to hold your own, you do not appear foolish when you are compared with someone who is generally thought to be very good at it.

3. to prove that you or something is as good as others (Usage notes: often said about a competitive situation)

.... Cobuild, http://idioms.thefreedictionary.com/hold+own