我要这个

wǒyàozhège

I want this one

Sounds roughly like waw yow juh-guh

Literal meaning

I · want · this-one

我
wǒ
wo3
33rd · dipping
Dipping “waw”. Point with your hand as you say the next words.
要
yào
yao4
44th · falling
“yow”, falling. Direct and normal in a shop — not rude.
这
zhè
zhe4
44th · falling
Retroflex zh (tongue curled) + “uh”. Fall. Not English “j”.
个
ge
ge5
·neutral
The default measure word. Keep it light: zhège, not zhè gè.

你好，我要这个。

Ní hǎo, wǒ yào zhège.

Hi — I want this one.