i
must
say
you
really
know
how
to
+
(verb)
我必须得说,你真的很会+(动词)
you
are
a
fine
+
(noun
phrase)
你是一名优秀的+(名词短语)
what
a(n)
excellent
/
outstanding
/
superb
/
+
(noun
phrase)
you
are!
你真是一位优秀的/杰出的/极好的+(名词短语)
i
admire
your
ability
to
+
(verb)
我真羡慕你+(动词)的能力
mr.
smith,
if
you
don't
mind
my
saying,
you
are
an
excellent
public
speaker.
史密斯先生,如果你不介意我这么说,你真是一位优秀的演讲者。
i
must
say
you
really
know
how
to
paint.
我必须得说,你太会画画了。
i
admire
your
ability
to
think
on
your
feet.
我真羡慕你反应迅速的能力。
上面这些句子都可以,希望能帮助到你,望采纳!!!!