If you use media players like VLC or MPC-HC , you can often right-click the video while it's playing and select "Download Subtitles" (or use the VLSub extension) to automatically find the match based on your file's hash.
The following platforms are reliable for locating the exact .srt file matching your file name: subtitle Beautiful.Boy.2018.720p.BluRay.x264.[Y...
: A clean, community-driven site that offers verified subtitles for BluRay releases. If you use media players like VLC or
: A highly recommended, modern search engine that allows you to filter by specific release tags like "YTS" or "BluRay x264". : Since your file likely originates from YTS,
: Since your file likely originates from YTS, this is the most direct source for pre-synced subtitles for that specific rip.
You can find subtitles specifically synced for the release on several dedicated subtitle databases.