twiddle
剑桥词典
- to move something repeatedly between your fingers , especially without any purpose
（尤指无聊地反复用手指）摆弄，捻弄，旋弄
She was twiddling (with) a pencil /her hair . 她在摆弄铅笔／头发玩。
Twiddle a dial /knob on a radio in the city and you may hear voices speaking Spanish , Chinese , Portuguese , or Russian . 在这座城市里，如果旋弄收音机的旋钮，你可能会收听到西班牙语、汉语、葡萄牙语或俄语。