英文：play gooseberry (v.)
說明：我們亦可用 to be a gooseberry 來表達相同的意思，但比較少用。Gooseberry 本身的意思為「醋栗」。
例句：
- Jason and Anna are lovebirds, so I don’t want to play gooseberry joining them in any social contexts. (傑森和安娜是一對恩愛情侶，所以在任何社交場合我都不想當他們的電燈泡)
- Amy and Bill asked me to go with them, but I refused because I didn’t want to play gooseberry. (艾美和比爾邀我和他們一起去，但我謝絕了，因為我不想當電燈泡)
- I’m not going to the movies with you guys tonight, because I don’t want to be a gooseberry. (今晚我不跟你們去看電影，因為我不想當電燈泡)