把全部养老金投进一家科技创业公司，是鲁莽乐观之举。
Investing his entire pension in a single tech startup was an act of foolhardy optimism.
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解释
foolhardy 是形容词，意为“鲁莽的、不顾后果的”，指在财务决策中缺乏审慎。
Investing his entire pension in a single tech startup was an act of foolhardy optimism.
foolhardy 是形容词，意为“鲁莽的、不顾后果的”，指在财务决策中缺乏审慎。