Then pour some liquid gelatin into that mould and let it harden .(然后倒了一些液體明膠進入該模具，讓它變硬。)

There they cool and harden into volcanic ash.(然后在空中它們又冷卻變成火山灰。)

Then, perhaps- for there was no foreseeing how it might affect her- Pearl would frown, and clench her little fist, and harden her small features into a stern, unsympathising look of discontent.(此時，珠兒或許就會——因為無法預見那魔障可能對她有何影響——攥起小手，緊皺眉頭，板起面孔，在小腸上露出不滿的冷冷表情。)

Melted metal is poured into a mold to harden into shape.(熔化之金屬倒入模子中以冷卻成形。)

They can harden into a thick cyst, and can leave behind deep, hard-to-remove scars.(他們可以把一個厚厚的囊腫硬化，并能留下深刻的，難以去除的疤痕。)

"We never eat red meat, " Tyler tells me in the Impala, and he can't use chicken fat or the soap won't harden into a bar.(我們從來不吃牛羊肉（紅肉）。)

This mixture is placed into a suitable mould, compacted, and allowed to harden .(這種拌合料灌入合適的模框中，振搗壓實，讓它硬化。)

Plaque needs to be removed through a daily oral care routine which includes brushing and flossing or the plaque will harden into tartar (or calculus).(牌匾需要通過日常的口腔護理，其中包括日常刷牙和使用牙線或斑塊會成為牙結石硬化（或演算刪除）。)

Never go to bed angry, the old saying goes, or bad feeling will harden into resentment 1.(有句老話說，千萬不要帶著怒氣入睡，否則糟糕的情緒會轉化成怨恨。)

Crews have been working for months to upgrade equipment, trim trees, and overall harden the reliability of the Pepco power system, which runs from the Washington area into New Jersey.(工作人員已經為設備升級、樹木修剪及全面加強運行與華盛頓地區與新澤西的Pepco電力系統的可靠性而工作了數月。)