老式的靴子上小扣子很难扣，需要一个纽扣钩。

The tiny buttons on old-fashioned boots are hard to fasten without a ___buttonhook.

渔夫用鱼钩小心地从鱼嘴里取出鱼钩。

The fisherman gently removed the hook from the fish's mouth using a ___hook.