nice to meet you!pardon me.never mind.go ahead.good luck!i s

nice to meet you!很高兴认识你!
pardon me.请原谅,能再说一遍吗?
never mind.没关系.
go ahead.继续...
good luck!
i see 我明白了.
what*s up?什么事?
you see?看到（明白）了吗?
bye.再见!