happy: today is happy day
10th:This is your 10th anniversary.
anniversary:The paipai is celebrating its tenth anniversary this year
may:We may have some rain today
our:We have modified our plan.
love:I love paipai very much
and:Learning becomes more and more difficult as we get older
companionship:Thanks for letting me know a lot. companionship
last:When were you there last?
forever:I think that we will live together forever