1. rock bottom 谷底
And morale seems to have hit rock bottom. Everybody seems to be constantly run off their feet.
士气似乎也已经跌入谷底.人人好像都忙得团团转YXeDGCb#xQ_l[4[XXZdu。

2. weigh down 成为……的负担
Now analysts worry that dealing with those debts could weigh down the economy for years to come.
现在分析人士担心，对这批债务的处理，有可能给未来几年的经济增长形成拖累e|Uzzc]hu^CZc。

3. tip into 陷入，向……倾斜
The results amplified concerns that the global economy may tip into recession.
这一结果令人们更加担心全球经济是否会步向衰退~u)(UK2ej#。

4. bank on sb./sth. 指望
Don't bank on your colleagues to help you out of trouble.
不要指望同事来帮你摆脱困难r)eMNMQH5SRT#。