flourish [ˈflʌrɪʃ]

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vi.茂盛，繁荣，兴旺；vt.挥动(以引起注意)；n. 兴旺；茂盛；挥舞；炫耀；华饰

to grow or develop successfully

When the root is firm, the branches flourish. 本固枝荣。
She rode by with a flourish of her whip. 她骑马挥鞭而过。