I. hard [hɑːd] 形
II. hard [hɑːd] 副
单语范例（未经PONS编辑处理）
The field will go into production in five years, providing a lucrative (and probably the largest) source of hard currency for the ruling junta.
en.wikipedia.org Over 5,000 of these small production plants in the open produce over 20 million kilograms of raspberries and provide considerable annual hard currency income.
en.wikipedia.org This would allow the company access to hard currency, although the coal's poor quality and high sulfur content gave low prices.
en.wikipedia.org Envelopes containing banknotes, and sometimes foreign hard currency, were not infrequently passed out to certain party or politburo members.
en.wikipedia.org The cowrie was introduced as hard currency and many new crops were introduced (e.g. sweet banana, tomatoes, maize, cassava, pawpaw, vegetables and citrus fruits).
en.wikipedia.org