His articulation is poor.是什么意思？

His articulation is poor.

他发音不清楚.

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

articulation

n. 清晰度，咬合，关节，发音，接合；

例句
...a singer able to sustain a full tone and clear articulation over extremely long periods.
可以很长时间保持声音洪亮并且吐字清楚的歌手

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

poor

adj. 贫穷的，贫乏的，令人怜悯的，可怜的，匮乏的，低劣的；n. the poor 贫困者，穷人；

例句
I suppose the shock had addled his poor old brain.
我估摸这个打击已经把他那可怜的脑袋瓜搞糊涂了。