不冷不热的 meaning in Chinese

hypothermal
tepid

Nobody can afford to be half-hearted nowadays .
当今之世谁也不应当不冷不热的。
He was a tepid sort of fish .
他是个不冷不热的家伙。
Their lukewarm welcome give me an all - over sort of feeling
他们不冷不热的欢迎使我觉得浑身不舒服。
She deemed it her crime most to be repented of , that she had ever endured , and reciprocated , the lukewarm grasp of his hand ,
她认为，她以前竟然忍受并回握了他那不冷不热的篡握，竟然以自己眉眼和嘴唇的微笑来迎合他的笑意，实在是她最应追悔的罪过。