swear by

"swear by" Chinese translation ("swear by" in Chinese, "swear by" 中文翻译, "swear by"发音):

swear by (1) → v.i. 1b (2)(口语)非常信赖…,相信…,大力推荐… He swears by this medicine for preventing colds. 他深信这种药可预防感冒 []