vanquish /ˈvæŋkwɪʃ/
1
VERB （彻底）征服，击败，战胜
To vanquish someone means to defeat them completely in a battle or a competition.
A happy ending is only possible because the hero has first vanquished the dragons...
只有主人公先把那些恶龙制服，才有可能实现大团圆结局。
vanish /ˈvænɪʃ/
verb
[V]
1
（莫名其妙地）突然消失
to disappear suddenly and/or in a way that you cannot explain
The magician vanished in a puff of smoke.
魔术师在一股烟雾中突然不见了。
He vanished without trace .
他消失得无影无踪。
2
不复存在；消亡；绝迹
to stop existing
the vanishing woodlands of Europe
濒于绝迹的欧洲林地
All hopes of a peaceful settlement had now vanished.
和平解决的全部希望现已化为泡影。
Thanks for reading~
