There is still a risk that the whole deal will fall through.

　　整樁買賣化為泡影的風險仍然存在。

　　I have a little money in the bank to fall back on.

　　我在銀行還有一點錢，需要時可以動用。

　　Falling interest rates may help to bolster up the economy.

　　利率下降可能有助于激活經(jīng)濟。

　　She saved a little girl from falling into the water.

　　她救下一個眼看要落入水中的小女孩。