美 [ɡɪr ʌp] 英 [ɡɪə ʌp]

gear up

Verb

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"

gear up近义词

fix set up ready set prepare