①If you jettison something, for example an idea or a plan, you deliberately reject it or decide not to use it.【v.放弃，拒绝接受（想法、计划等）】
②To jettison something that is not needed or wanted means to throw it away or get rid of it.【v.丢弃；处理掉；摆脱】
①The Government seems to have jettisoned the plan.
②The crew jettisoned excess fuel and made an emergency landing.
《卫报》一篇题为 Fasting isn't about eating less, but giving your body a chance to reset. 的文章也出现了这个表达：
go to great length
If you say that someone goes to great lengths to achieve something, you mean that they try very hard and perhaps do extreme things in order to achieve it.
Greta Garbo went to great lengths to hide from reporters and photographers.
Romain Gary的小说 Promise at Dawn 也出现了这个表达：