поддържам означава в английски

bolster [bolstered, bolstering, bolsters]▼(to brace, reinforce, secure, or support)
verb
[UK: ˈbəʊl.stə(r)] [US: ˈboʊl.stə(r)]

buttress [buttressed, buttressing, buttresses]▼(support something or someone by supplying evidence)
verb
[UK: ˈbʌ.trəs] [US: ˈbʌ.trəs]

espouse [espoused, espousing, espouses]▼(accept, support, take as one’s own)
verb
[UK: ɪ.ˈspaʊz] [US: ə.ˈspaʊz]

keep up▼(maintain, preserve)
verb
[UK: kiːp ʌp] [US: ˈkiːp ʌp]

maintain [maintained, maintaining, maintains]▼(to keep up)
verb
[UK: meɪn.ˈteɪn] [US: men.ˈteɪn]

service [serviced, servicing, services]▼(to perform maintenance)
verb
[UK: ˈsɜː.vɪs] [US: ˈsɝː.vəs]

support [supported, supporting, supports]▼(to provide help regarding something sold)
verb
[UK: sə.ˈpɔːt] [US: sə.ˈpɔːrt]

sustain [sustained, sustaining, sustains]▼(to maintain something)
verb
[UK: sə.ˈsteɪn] [US: sə.ˈsteɪn]

truss [trussed, trussing, trusses]▼(to support)
verb
[UK: trʌs] [US: ˈtrəs]

underpin [underpinned, underpinning, underpins]▼(To give support to)
verb
[UK: ˌʌn.də.ˈpɪn] [US: ˈʌn.dər.ˌpɪn]

uphold [upheld, upheld, upholding, upholds]▼(to keep erect)
verb
[UK: ˌʌp.ˈhəʊld] [US: ˌʌpˈhoʊld]

upkeep▼(to maintain (something) or keep it in good repair)
verb
[UK: ˈʌpk.iːp] [US: ˈʌpˌkip]