1. With the help of the teacher, I finally pass the english test.
2. He was elected president with the support of great voters.(我觉得这样比较好~)
“在......下”:⑴under this circumstance, 在这种情况下。
⑵to grow in cool, damp conditions在阴凉、潮湿的环境下生长
⑶Don't read in the sun不要在太阳底下看书。(等等)
恕我多言两句,翻译句子的时候尽量先理解它的意思,然后去翻译句子的意思而不是逐字逐句的翻译字面意思。