how to say "like that"

[Rik]

I know that the Mandarin word for "like that" is "na me". What is it in Cantonese? Do you say "gum je"? Liike if you were to say "Why do you smile like that?" Would you say "Diem gai lei siu ho chi gum je?"

-Rik

[Terence]

gam2 ze1 (sometimes zek1), verbal expression, means 這個樣子, (don't know how it work in English, hope you can read Chinese.)