bottom falling

基本解释

This pressure from above comes just as the bottom is falling out.
市場基礎趨於瓦解的時候來自上部的壓力出現了。
But picking the bottom of falling markets is something that investors can do for themselves without paying hefty fees.
不過在下落的市場中抄底，投資者自己也可以做到，而且無須支付昂貴的琯理費。
Domestic mobile telephone is steadily losing ground under offensive of ocean cell phone, exceed the valley bottom falling half to 30% from market share.
國産手機在洋手機淩厲攻勢下節節敗退，從市場佔有率超過半數跌到30%的穀底。

The problem is that the bottom keeps falling.
FORBES: Magazine Article
The Illini had been ranked as high as No. 10 and were now falling to the bottom of the Big Ten.
NPR: Illini Buzzer-Beater Upsets No. 1 Hoosiers, 74-72
Unlike developing countries, which age from the bottom up because of a falling birth rate, rich countries age from the middle, adding old people with fewer workers to support them, and even fewer children to join the workforce.
ECONOMIST: Economics focus