SWEAR BY GOD海誓;对天发誓
swear by this pill相信这种药丸有效
swear by the sun指日为誓
I swear by Janus我以门神的名义起誓
swear by linda chung喜爱的音乐
I swear by the God我对天发誓;我对于天立誓
I swear by the moment我在这一刻发誓
not enough to swear by仅仅一点点;翻译
PHRASAL VERB（动词词组） If you swear by something, you believe that it can be relied on to have a particular effect. 信赖 (某物的效用) [非正式]
Many people swear by vitamin C's ability to ward off colds.
很多人深信维生素C能预防感冒。