enmity <> comity

enmity <> concord

ennui <> energy/enthusiasm ennui <> exuberance

ennui <> keen interest

enraptured <> indifferent

enrich <> deplete

ensconce <> dislodge

ensemble <> solo

entrance <> bore/disappoint entrance <> disgust

高深莫测的  <> 浅显易懂的
敌意，憎恨  <> 友谊

敌意  <> 友好

憎恨  <> 一致

倦怠  <> 活力/热心

倦怠  <> 生气盎然

倦怠  <> 强烈的兴趣

狂喜的  <> 默然的

使富有  <> 耗尽

安置  <> 驱逐

合奏  <> 独奏