lukewarm

形容词 lukewarm:

1. moderately warm
   同义词：tepid
2. feeling or showing little interest or enthusiasm
   同义词：halfhearted, half-hearted, tepid

1. Indifferent or lukewarm especially in matters of religion.
   淡漠的漠不关心或不热情的，尤指对宗教事务
2. Gave only lukewarm support to the incumbent candidate.
   给在位的候选人不冷不热的支持

luke.warm

adj.（形容词）
Mildly warm; tepid.
温暖适度的
Lacking conviction or enthusiasm; indifferent:
漠然的：缺乏真正信念的或热情的，漠不关心的：
例句：
gave only lukewarm support to the incumbent candidate.
给在位的候选人不冷不热的支持

来源：
Middle English leukwarm
中古英语 leukwarm
leuk, luke possibly variant of leu from Old English -hlôow * see kel…-
leuk, luke 可能为 leu的变体 源自 古英语 -hlôow *参见 kel…-
warm [warm] * see warm
warm [温暖的] *参见 warm

【引伸】
luke.warm.ly
adv.（副词）
luke.warm.ness
n.（名词）