大钉子钉入两块木头以固定它们，夹具，夹板(金属)

1. large staple driven into two pieces of wood to hold them together, clamp, cramp (metal)

noun (common) (futsuumeishi) word usually written using kana alone

纽带(比喻意义，例如将两个人联系在一起的事物)

2. tie (metaphorical, e.g. something that binds two people together)

noun (common) (futsuumeishi) word usually written using kana alone

门闩，锁

3. latch, lock

noun (common) (futsuumeishi) word usually written using kana alone