1) He doesn't necessarily know.
他未必知道。
2) And there's really no reason he should find out.
没必要让他知道。
6) He was cognizant of the truth.
他知道真相。
补充资料:未必
1.不一定。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条