www.youtube.com/watch?v=J7X6iK3Ox3U

(G)I-DLE ; DUMDi DUMDi (Full MV) ; Take#1 Performance (1theK) ; 2020.08.03

This (URL above) has *quality* ENGLISH Language Subtitles (VTT format).

1theK MV versions are a lot more likely to have *quality* Subtitles in general.
PotPlayer (Click Here) ...<-- For WINDOWS OS and YouTube Subtitles (Recommended).

www.youtube.com/watch?v=VjT5902wgP0
(G)I-DLE ; DUMDi DUMDi (Dance Performance MV , No Subtitles) ; 2020.08.04

www.vlive.tv/video/206920?channelCode=B1C9AD
(G)I-DLE ; DUMDi DUMDi (*MAKING* Dance Performance MV) ; 2020.08.09

This (above URL) is 10 Minutes duration ... And gives an idea ...
Of (G)I-DLE Member personalities , and their personal interaction ...
It is officially titled as the "STAFF VLOG" ...
Worth a viewing if you are interested in (G)I-DLE Group.

www.youtube.com/watch?v=H_HKE1mwzuo
(G)I-DLE ; DUMDi DUMDi ; (Live) ; Online Media Showcase ; 2020.08.03

www.youtube.com/watch?v=sPzF8DZI5ZM
(G)I-DLE ; DUMDi DUMDi (Lyric Video = English Subtitles = On Screen) ; 2020.08.07

Bonus URL (below) --> Song Review by (USA) Forbes Magazine ; 2020.08.03

www.forbes.com/sites/jeffbenjamin/g-i-dle-dumdi-dumdi-kpop-song-of-the-summer
(G)I-DLE Make A Play For K-Pop Song Of Summer With Feel-Good 'DUMDi DUMDi' ; 2020.08.03

entertain.naver.com/photo/issue/1074685/16
(G)I-DLE ; DUMDi DUMDi ; Photos ; Stage Performance ; 2020.08.03

www.google.co.kr/search?q=(여자)아이들&tbm=nws&source=lnt&tbs=qdr:w
GOOGLE (KR) Search for (G)I-DLE activity for Past Week (Date Span)

Below would be the AKP STAFF Article for the original MV version release (Click URL).

And it too does have the *quality* ENGLISH Language Subtitles.

www.allkpop.com/video/2020/08/gi-dle-tropical-summer-vibes-mv-dumdi-dumdi
(G)I-DLE channels tropical summer vibes in performance-heavy MV 'DUMDi DUMDi' ; 2020.08.03