gear up

make ready or suitable or equip in advance for a particular purpose or for some use, event, etc; "Get the children ready for school!"; "prepare for war"; "I was fixing to leave town after I paid the hotel bill"

आपको उन बड़ी बातों के लिए अपने को तैयार करना होगा, जो आगे आयेंगी.

The branch has to gear up for the busy - slack season.