1) It is difficult to convince him.
说服他是困难的。
2) He is easy to prevail upon [with].
他是容易说服的。
3) He tried his best to overcome the difficulties.
他尽力克服困难。
4) He got the better of his difficulties.
他克服了困难。
5) It is hard to keep a secret.
保密是很困难的。
6) Adversity successfully overcome is the highest glory.
成功地克服困难是最大的光荣。
补充资料：保密
保守机密，不泄漏出去：这事对外要绝对～ㄧ大家都知道了，还保什么密！
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