1. rock bottom 谷底
And morale seems to have hit rock bottom. Everybody seems to be constantly run off their feet.
士氣似乎也已經跌入谷底.人人好像都忙得團團轉YXeDGCb#xQ_l[4[XXZdu。

2. weigh down 成為……的負擔
Now analysts worry that dealing with those debts could weigh down the economy for years to come.
現在分析人士擔心，對這批債務的處理，有可能給未來幾年的經濟增長形成拖累e|Uzzc]hu^CZc。

3. tip into 陷入，向……傾斜
The results amplified concerns that the global economy may tip into recession.
這一結果令人們更加擔心全球經濟是否會步向衰退~u)(UK2ej#。

4. bank on sb./sth. 指望
Don't bank on your colleagues to help you out of trouble.
不要指望同事來幫你擺脫困難r)eMNMQH5SRT#。