1. They retrenched by eliminating half the workers.
    他们把人员减半以减少支出。

1. 节省,减少：retreat 撤退,撤退 | retrench 节省,减少 | retribution 报应,报复

2. 减少,节约：16 simmer 炖,煨 | 17 retrench 减少,节约 | 18 discredit 使失去权威性,破坏名誉的

3. 节省：trepidation 颤抖 | retrench 节省 | stench 臭气

4. 紧缩：retree 劣等纸 | retrench 紧缩 | retrenchment 节省

1. 紧缩开支;削减费用
    If a person or organization retrenches, they spend less money.

    e.g. Shortly afterwards, cuts in defence spending forced the aerospace industry to retrench.
           不久之后，国防开支的削减迫使航空航天业紧缩开支。

1. make a reduction, as in one''s workforce

    e.g. The company had to retrench

2. tighten one''s belt
    use resources carefully