名 drum，drum-like things，a surname；动 sound，beat，fan，blow with bellows；形 （凸起的； 涨大的） bulging，swelling；量 （古代夜间计时单位， 更） watch ；

[例句] 他的肚子一年比一年鼓。 His stomach had grown more prominent with every passing year.

[例句] 莫自得其乐地一边敲着鼓，一边不成调地唱着歌。 Moe was having fun banging the drums and singing off-key.