You really must pull your socks up if you want to beat Jackie in the competition.

你要是想在竞赛中赢过杰基,就要加把劲儿了.

《简明英汉词典》

Pull your socks up.

加把劲儿.

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To pull your socks up.

穿起你的袜子快行动.

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If you hope to gain promotion you will have to pull your socks up.

如果你想得到提拔,你必须加紧努力.

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You really must pull your socks up if you want to beat Jack in the competition.

如果你想要在比赛中击败杰克,那必须真的要加把劲了.

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