A time you want to feel like being pricked with a hard heart.

一次次想你的感觉就像是心被狠狠的用针扎著。

youdao

The paper wrote that a job description for the post of Chikurubi prison hangman included, "dexterity, ability to tie a knot, hard heart and anyone prone to mercy or hesitation need not apply."

报纸写道，作为奇库鲁比监狱刽子手岗位的工作说明，包括“灵巧，打绞索绳结的能力，冷酷的心，可是容易产生怜悯或心存犹豫的人不适宜去申请。”

youdao

His heart must be very hard.

他的心肠一定很硬。

《新英汉大辞典》

In your pain and sadness, you may decide that the person you loved is hard-hearted, and in fact,has a heart of stone.

VOA: special.2010.07.18

Last week, hostility against the liquor stores on the edge of the reservation (booze is banned within it) erupted after the bodies of Ronald Hard Heart and Wilson Black Elk were found decomposing in a ditch near the stores.

ECONOMIST: Indian reservations

Only giant clinical trials measuring hard outcomes like heart attacks, strokes and deaths can tell doctors whether a heart drug's benefits outweigh its risks.

FORBES: The Statin Showdown

Many investors expect that these drugs might be approved, at least in some patients, based only on studies of their cholesterol-lowering potency, not hard proof they prevent heart attacks and strokes.

FORBES: Merck's Big Vytorin Study Could Change Rules For New Cholesterol Drugs