Change from being quiet, obedient and caring to loud, noisy and aggressive or may change from being outgoing to shy and afraid.

从前很安静、听话、关心他人，现在变得吵闹、好斗；或从外向变为害羞和胆小。

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Early on, the perception was that Merrill was hurt because he was not a member of the national committee, but the outgoing governor has run an aggressive campaign and some GOP operatives believe that he has momentum on his side.

CNN: Race To Succeed Barbour Heats Up

Many observers believe she will likely follow in the footsteps of the outgoing boss, Mary Schapiro, and make use of aggressive tactics favored by federal prosecutors.

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