renforcer betyder på engelska

strengthen [strengthened, strengthening, strengthens]▼◼◼◼(to make strong or stronger)
verb
[UK: ˈstreŋ.θn̩] [US: ˈstreŋ.θn̩]It is important to strengthen the basis. = Il est important de renforcer les bases.

reinforce [reinforced, reinforcing, reinforces]▼◼◼◼(to strengthen by addition)
verb
[UK: ˌriːɪn.ˈfɔːs] [US: ˌri.ˌɪn.ˈfɔːrs]We need to reinforce the roof. = Nous devons renforcer le toit.

reinforce [reinforced, reinforcing, reinforces]▼◼◼◼(to emphasize or review)
verb
[UK: ˌriːɪn.ˈfɔːs] [US: ˌri.ˌɪn.ˈfɔːrs]We need to reinforce the roof. = Nous devons renforcer le toit.

enforce [enforced, enforcing, enforces]▼◼◼◻((obsolete in English) to strengthen)
verb
[UK: ɪn.ˈfɔːs] [US: en.ˈfɔːrs]

build up▼◼◼◻(to strengthen)
verb
[UK: bɪld ʌp] [US: ˈbɪld ʌp]

fortify [fortified, fortifying, fortifies]▼◼◻◻(impart strength or vigor to)
verb
[UK: ˈfɔː.tɪ.faɪ] [US: ˈfɔːr.tə.ˌfaɪ]

shore up▼◼◻◻(to reinforce or strengthen (something at risk of failure))
verb
[UK: ʃɔː(r) ʌp] [US: ˈʃɔːr ʌp]