The correct spelling of the phrase "taking load chest" is actually "taking the load off one's chest". The phrase means to relieve oneself of a burden or worry. The correct pronunciation of this phrase is /ˈteɪkɪŋ ðə ləʊd ɒf wʌnz tʃɛst/. It is important to use the correct spelling and pronunciation of phrases to ensure clear communication and avoid confusion.