"flat as a board" in Chinese (Simplified)
像板子一样平
Definition
常用来形容物体（有时也指人的胸部）特别平，没有任何曲线或凸起。
Usage Notes (Chinese (Simplified))
非正式表达，有时带搞笑或调侃成分。主要描述物体表面，有时（不太礼貌地）描绘女性胸部。描述人时要小心使用。
Examples
The desk is flat as a board after we fixed it.
修好后，书桌**像板子一样平**。
The soccer field looked flat as a board without any hills.
没有任何小山时，足球场**像板子一样平**。
Her drawing showed a landscape flat as a board.
她的画里风景**像板子一样平**。
Don't worry if your cake turns out flat as a board—happens to everyone!
如果你的蛋糕**像板子一样平**，别担心，每个人都会遇到的！
As a kid, I was flat as a board and didn't hit a growth spurt until high school.
小时候我**像板子一样平**，直到高中才长个儿。
That lake is so calm today—it’s flat as a board out there.
今天湖面特别平静，**像板子一样平**。