Toughening
v. （使某物[人]）坚韧, 坚强, 强硬( toughen的现在分词 )
🗣️ 情景例句
Get away from me.
从我身边滚开。
A little labour,much health.
适量的劳动大有益于健康。
The sorry-looking, blackened figure that emerged, admitted at once that he had tried to break into the shop during the night but had got stuck in the chimney.
那个看来满脸沮丧、浑身漆黑的家伙从烟囱里一出来，就承认头天夜里他企图到店里行窍，但让烟囱卡住了。