a)TRAVELto be travelling from one place to another 在迁移,在行进
The rebel army is on the move.
叛军正在转移。
b)BUSY/HAVE A LOT TO DOto be busy and active 忙碌;活跃
Roy is constantly on the move.
罗伊总是很忙。
c)CHANGE FROM ONE THING TO ANOTHERto be changing and developing a lot, especially in a way that improves things 在发展变化;在改进
Museums are on the move, adding exhibits that entertain and educate.
博物馆在改变,增加了具有娱乐性和教育性的展品。
Examples from the Corpus
be on the move• Abbot lives in Manhattan, but he's usually on the move.• The guerrillas stay on the move to avoid capture.• In a mountainvalley where arcticblasts have encased the grass in sheets of ice, wildbisonare on the move.• Coalwas on the move when Leith was first recognised as a port back in the days of Robert the Bruce.• Once again, Bibby could be on the move in March.• The economyis finally on the move.• He was always on the move, never staying in one town more than a few days.• Those kids are always on the move.• The chasers join in the hunt once the monkeysare on the move.• Even pronounsare on the move.• Thousands of refugeesare on the move, fleeing heavy shelling in their home towns.• The whole population of the town seemed to be on the move.• That Chip and his joie de vivre are on the move.• But can they help to illuminate the question of what is on the move?