海伦觉得试图洗净她手上的油漆是毫无希望的。 Helen felt that it was hopeless to try to clean her hands of the paint.
洗礼清洗或洗净身体，尤指作为宗教仪式的一部分 A washing or cleansing of the body, especially as part of a religious rite.
对牙痛的一项万无一失的疗法是：把作痛的一根牙齿放进醋里洗净利，然后置于阳光下半小时使之晒干。 An infallible remedy for toothache: wash the root if an aching tooth in vinegar, and let it dry half an hour in the sun.
