опъвам meaning in English

strain [strained, straining, strains]▼(to apply a force)
verb
[UK: streɪn] [US: ˈstreɪn]

tense [tensed, tensing, tenses]▼(make tense)
verb
[UK: tens] [US: ˈtens]

tension▼(to place in tension)
verb
[UK: ˈten.ʃn̩] [US: ˈten.ʃn̩]

tighten [tightened, tightening, tightens]▼(to make tighter)
verb
[UK: ˈtaɪt.n̩] [US: ˈtaɪt.n̩]

demur [demurred, demurring, demurs]▼(intransitive: To balk; to oppose.)
verb
[UK: dɪ.ˈmɜː(r)] [US: ˌdɪ.ˈmɝː]

tighten [tightened, tightening, tightens]▼(to become tighter)
verb
[UK: ˈtaɪt.n̩] [US: ˈtaɪt.n̩]