4.to go down in history留名史册；载入史册
5.to go down well/badly
(indicating someone's reaction)受/不受欢迎
6.ship +下沉；沉没；plane +坠落
Their aircraft went down during a training exercise.他们的飞机在一次训练中坠毁了。
7.sun +落下
We watched the sun go down.我们看着太阳落下去。
8.(deflate)tyre, airbed +瘪掉；泄气；跑气；swelling +消退
9.food, drink +被吞下；被咽下
A small glass of water can help food go down more easily.一小杯水可以使食物更容易下咽。