I remembered that I had not relocked the door of the shed.

我记得我没有重新锁棚子的门。

It fitted, and he opened the box, but after a moment's hesitation, closed and relocked it, and slipped the bunch of keys, as well as the key that had originally stood in the lock, into his own pocket.

合身，他打开盒子，但犹豫片刻后，关上并重新锁上，然后将那串钥匙和原本放在锁中的钥匙塞进了自己的口袋。