非常硬的;咬不动的
非常坚强的
非常硬的;咬不动的
非常坚强的
1 She is as tough as old boots.
她做起事来很卖力.
1 咬不动的
2 非常坚强
3 铁石心肠
stony hard-hearted stonily have a heart of stone as tough as nails as tough as old boots as hard as nails hard as nails tough as nails
4 非常老
5 很难切
6 嚼不动
8 很老的