The reactionary government tried vainly to take the steam out of the protest movement.
反
政府枉费心机地企图削弱这场抗议运
。

;
靠
;
;
有成果
, 无益
;The reactionary government tried vainly to take the steam out of the protest movement.
反
政府枉费心机地企图削弱这场抗议运
。
The team captain vainly tried to rally his troops.
队长试图振作部队
士
,
有成功。
We tried vainly to discover what had happened.
我们设法想要弄清楚发生了什么事,
却徒劳。
The enemy vainly attempted destroying the bridge.
敌人妄图破坏这座桥梁。
He sought vainly for the answer.
他搜索枯肠,
找不到答案。
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