lukewarm
adjective uk/ˌluːkˈwɔːm/ /ˈluːk.wɔːm/ us/ˈluːk.wɔːrm/
(TEMPERATURE)
mainly disapproving（尤指液体）温吞的，微热的
(especially of a liquid) only slightly warm
This coffee's lukewarm. 这杯咖啡不热。
(REACTION)
disapproving冷淡的，不热情的
not enthusiastic or interested
Her proposals got a lukewarm response. 大家对她的建议反应冷淡。