Medical aid must be sent to the stricken area posthaste.

灾区需用医药,急如星火.

《现代汉英综合大词典》

Please come and help me posthaste, I really need you.

请尽快来帮我, 我非常需要你.

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Please send your answer to me posthaste.

请尽快回信答复我.

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Note: Anyone who received a signing bonus will be required to return it, posthaste, with interest.

注意: 任何收到年度花红的人要火速退回花红包括利息.

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