/ˈfɪdlɪŋ/

fid·dling

BrE /ˈfɪdlɪŋ/

NAmE /ˈfɪdlɪŋ/

[usually before noun] (informal)

small, unimportant and often annoying

verb
[I] ~ (with sth)to keep touching or moving sth with your hands, especially because you are bored or nervous (尤指厌烦或紧张地)不断摸弄,不停摆弄
He was fiddling with his keys while he talked to me.
和我谈话时他不停地摆弄钥匙。