We showed them where the crates had to be moved to, and they got stuck in straightaway.我们向他们指明了这些板条箱该搬到哪里,他们就立刻干了起来。
You really got stuck into your food (= ate your food quickly) - you must have been hungry.你吃得可真快——你一定是饿了。
Mum brought in the sandwiches and told us to get stuck in.妈妈把三明治端进来,让我们赶紧吃。