top gear
noun/ˌtɒp ˈɡɪə(r)/
/ˌtɑːp ˈɡɪr/
[uncountable]- the highest gear in a vehicle
- in/into top gear They cruised along in top gear.
- (informal) the highest level of activity or success
- in/into top gear Her career is moving into top gear.
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top gear