凡勢異用字犯勢huān-sè副詞副詞也許、可能。天遐爾仔烏,等咧凡勢會落雨。Thinn hiah-nī-á oo, tán--leh huān-sè ē lo̍h-hōo.天那麼黑,等一會兒也許會下雨。類義可能khó-lîng拍算phah-sǹg得tit無一定bô-it-tīng無定著bô-tiānn-tio̍h無定bô-tiānn驚見kiann-kìnn反義一定it-tīng定規tīng-kui