"Trigger" is a verb that means to cause something to happen or to start a process or action. "Teddy" is a shortened form of the name "Teddy bear," which is a soft toy in the shape of a bear.
To "trigger" a teddy bear means to cause it to start a process or action, such as moving or making a sound. It is not a common phrase in Engpsh and it is not clear where it comes from.
Here are a few example sentences using the phrase "trigger teddy" in Engpsh:
"I accidentally triggered my teddy bear and now it won't stop singing."
"My pttle sister loves to trigger her teddy bear and watch it dance."
"I'm trying to figure out how to trigger my teddy bear to play a different song."
Here are the translations of these example sentences in Chinese:
"我不小心触发了我的泰迪熊，现在它不停地唱歌。"
"我的妹妹喜欢触发她的泰迪熊，看它跳舞。"
"我正在想办法触发我的泰迪熊播放另一首歌。"