讲解：
jump the queue
插队；加塞儿；不按次序排队
You shouldn't jump the queue.
你不该插队。

warn (sb) (of sth) | ~ (sb) (about / against sb / sth)
提醒注意(可能发生的事)；使警惕:
I tried to warn him, but he wouldn't listen.
我设法提醒过他,可他就是不听。

dip sth (into sth) | ~ sth (in)
蘸；浸:
He dipped the brush into the paint.
他拿画笔蘸了蘸颜料。

fresh food
新鲜食物
Our chefs use only the freshest produce available.
我们的厨师只用现有最新鲜的农产品。