this instrument is broken
仪器一般用 instrument,apparatus
device 一般指设备,装置等
摔坏就是“break”
例句：他在楼梯上摔了一小跤,把脚摔坏了.He broke his foot in a trip off the stair.
我能我能试试摔一下它吗?看看它会不会摔坏.Until it breaks.Can I can I try dropping it and see if it breaks?