As far as I know.っていつ使う？
“As far as I know, this is the correct way!” as far as to the extent that. [Concise Oxford Dictionary]
Category: A
Are you still there? っていつ使う？
“Hey, are you still there?”
Are you seeing anyone?っていつ使う？
“May I ask, are you seeing anyone?” go out with somebody (especially of young people) to spend time with somebody …
Are you nuts? ってナッツのこと？
“What, are you nuts?”
Anything you say.ってどんな意味ですか？
“Sorry, anything you say?”
Anything else? っていつ使う？
“Can I get you anything else?”
Allow me.っていつ使う？
“Please, allow me!” used to offer help politely [Oxford Advanced Learner’s Dictionary]
All set.ってへっ？
“All set, ready go!”