疲软的英文：
weakness

The currency of that country is weakening on foreign exchanges
那个国家的货币在外汇市场上疲软。

Adverse developments have softened the price of the product.
不利的发展使产品价格疲软。

The market softened because of oversupply
市场因供过于求而疲软。

Is the pound strong or weak(against the yen)at the moment?
目前英镑(对日元)是坚挺还是疲软

The pound remained firm against the dollar,but fell against the yen.
英镑对美元保持稳定,但对日元则疲软.

When the economy is weak, it's very hard for suppliers to raise their prices.
经济疲软时供货商很难提价。

Interest rates were raised to brace up the sagging dollar.
"利率提高了,借以支撑疲软的美元。"

A major oBjective [of political liBeralism] is the protection of the economic weak
主要的目标[政治自由主义的]是对经济疲软的保护

The Treasury had been blaming the pound's weakness on the backwash from the falling dollar.
财政部一直将英镑的疲软归咎于美元贬值。

The economy has longstanding weaknesses, such as poor skills and a congested transport system.
经济长期疲软，就好像是不熟练的手艺和拥挤的公交系统。

a weak radio signal; a weak link.
微弱的无线电信号；薄弱的连接。

He has weak eyes.
她的视力不佳。

The spirit is willing But the flesh is weak
力不从心。

Alternate weakness with severity
恩威并济

There is an inherent weakness in the design.
这设计本身存在弱点。