3. in debt
欠债；欠人情
She was in debt when she was poor, but has been out of debt since she got rich.
以前穷的时候她欠了债，可自从富了以后就不欠债了。
联想拓展
out of debt 不欠债
in trouble 处在困境中
in charge 管理；负责
in detail 详细地
in fact 事实上
in love 相爱
in need 需要
in surprise 惊奇地
in touch 保持联系
in danger 处在危险之中
in common 共有；共同
in general 通常；一般地说
in line  站队
in mind 意欲；心想
in order 有秩序地
in tears 在哭泣
in public 公开地；当众
4. before long
不久以后
The dictionary will be published before long.
不久以后这本词典将被出版。
联想拓展
long before 很久以前
long ago 很久以前
5. cut down
削减；删节；砍伐
cut off 剪下来；切断；使突然中断
cut out 切去；省略；停止（做某事）
cut up=cut into pieces 切碎；剪碎
cut through 穿过；穿透
cut in 插入；插嘴；超车抢道