case-hardened

Once in a while , a tragedy occurs which touches even the most case - hardened heart.

悲剧不时发生,连那些麻木不仁的人们也有所触动.

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Even I have felt it, case - hardened though I am.

甚至我也有这种感觉, 尽管我的为人是有点僵化的.

飘（部分）