wˌɛn ðə sˈeɪl ɪz ɹˈeɪzd, ðə kwˈɔːɹɾɚlˈɪft ɔnðə lˈiːwɚd sˈaɪd mˈʌst biː slˈæk, ˈʌðɚwˌaɪz ɪt wɪl kˈʌt ˌɪntʊ ðə sˈeɪl ænd kˈɔːz ɪt tə lˈuːz ɪts ʃˈeɪp.
When the sail is raised, the quarter-lift on the leeward side must be slack, otherwise it will cut into the sail and cause it to lose its shape.