“作怪相”常见的英文表达可以是 make funny/odd faces 或 pull a funny face。
“make funny/odd faces” 强调做出各种搞怪、奇特的表情动作，“faces”用复数形式，可表示不止一种怪相。
“pull a funny face” 侧重于描述做出一个滑稽的表情，“a”表明是单个具体的怪相。
例如：
The kids were making funny faces at each other across the table.（孩子们在桌子对面互相作怪相。）
Don't pull a funny face, or the photo won't look good.（别作怪相，不然照片拍出来不好看 。）