On January 15th Brazil was forced to float its currency.
1月15日巴西被迫让其货币自由浮动。
《柯林斯英汉双解大词典》
2
Depositors would rush to get their savings out of the country to pre-empt a forced conversion to a new, weaker currency.
储户可能会取走存款，逃离这个国家，以避免被强制性兑换成一种更弱的新货币。
3
Brazil was forced to intervene in its currency market twice in the past week to prevent its currency, the real, from strengthening too quickly against the dollar.