“Calculating” in British English
calculating adjective
UK /ˈkæl.kjə.leɪ.tɪŋ/ US /ˈkæl.kjə.leɪ.t̬ɪŋ/
often controlling situations for your own advantage in a way that is slightly unpleasant and causes peoplenot to trust you:
Thesaurus: synonyms and related words
How my heart sings 