476 I think all the dishes have little taste.
477 It's delicious,but my stomach is upset now.
478 Excuse me, but I'm still eating.
479 No,thank you.Ⅰ'm full. // I'm full.
480 Ⅰ'd like to take it home.
481 It,s a little cold. Could you turn down the air-conditioner?
482 Could you please stop smokimg?
483 Could you please keep these mosquitos away from us?
484 I've spilt tea. Could I have a towel?
485 Do you have chopsticks?
486 Do you have a little dish for ketchup?
487 It was very good. Thank you.
488 Can I pay the check here?
489 Is the service charge included?
490 Can we pay separately?
"I think all the dishes have little taste" is not natural-sounding English. "I think all the dishes have little flavor" is more natural.