ADJ-GRADED
(感情、反应等)冷淡的，不够热情的
If you describe something such as a feeling or reaction as tepid, you mean that it lacks enthusiasm.
例句
His nomination, while strongly backed by the President, has received tepid support in the Senate.
尽管他的提名得到总统的大力支持，但支持他的参议员却寥寥无几。