[英文]片語

In this industry, you really need to keep ____ if you don't want to be caught off guard ..

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In this industry, you really need to keep ____ if you don't want to be caught off guard. 措不及防
keep your head up 保持抬頭→抬頭挺胸 / 別垂頭喪氣 / 打起精神來
an arm and a leg 很大的代價/一大筆錢
tooth and nail  拼命地
in the stars


答案應該是第一個吧=..=

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