something is not for the faint-heartedDIFFICULTused humorously to say that something is difficult and needs a lot of effort 某事不是弱者所能干的〔幽默用法〕something is not for the faint-hearted• Playing foreign markets is not for the faint-hearted.• Well, starting your own business is not for the faint-hearted.• Litigation is not for the faint-hearted - or the half-hearted.
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