书在上面，请帮我拿下来。
The book is up there, please get it down for me.
下来
to come down; (completed action marker); (after verb of motion, indicates motion down and towards us, also fig.)
Watch it being written
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
下
来
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Build with these blocks
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
下
See it in sentences
我们下来吃饭吧。
Let us come down and eat.