it'a pleasure:- Thanks for your help.- It's a pleasure (沒(méi)有關(guān)系)
it' my pleasure A: Thank you for your advice.B: it' my pleasure/It's a pleasure (沒(méi)有關(guān)系)
a pleasure------- It is a pleasure to talk with you ----和你交談是種樂(lè)趣
my pleasure： - Thanks. -My pleasure / it' my pleasure/It's a pleasure (沒(méi)有關(guān)系)
with pleasure -----很樂(lè)意,很情愿--------Can you do it for me ? -With pleasure.
with my pleasure (英語(yǔ)中應(yīng)該沒(méi)有這種表達(dá))