"go bananas" in Chinese (Simplified)
发疯疯狂 (情绪失控)
Definition
指突然变得非常兴奋、生气或疯狂，通常情绪失控。属于非正式用语。
Usage Notes (Chinese (Simplified))
属于口语表达，经常带'about'描述原因。既可表示极度兴奋也可表示生气或失控情绪，不能用于正式场合。
Examples
The kids went bananas when they saw the birthday cake.
孩子们看到生日蛋糕时**疯狂了**。
If you leave the dog alone, it might go bananas.
如果你把狗单独留在家，它可能会**发疯**。
Everyone went bananas during the concert.
演唱会期间大家都**疯狂了**。
He bought a new car and his friends went bananas with excitement.
他买了一辆新车，他的朋友们**激动地发疯了**。
Every time they hear that song, people just go bananas on the dance floor.
每次听到那首歌，大家在舞池上都会**疯狂**起来。
Don't go bananas just because you lost your keys—let's look for them calmly.
别因为丢了钥匙就**发疯**，我们冷静地找找。