小男孩兴奋地拿着他的玩具枪在花园里玩耍，每次射击都会发出啪的声音。

The little boy happily played with his ___popgun in the garden, making a popping sound with each shot.

他们的抗议就像是玩具枪一样无力，根本没有引起政府的注意。

Their protest was just a ___popgun, failing to get any attention from the government.