私たちはレストランのサービスに満足していませんでした

Meaning
we were not happy with the service at the restaurant

Vocab used in this sentence

i, my, me, i am, myself, private
たち
we, their, ours, -s, group of
a, the, is, am, are, will
レストラン
restaurant, dining, restaurant serving
to, of
サービス
service, complimentary, serviced
in, to, on, at, into, upon
満足
satisfaction, contentment, complacency, pleasure, happiness, relief, comfort, gratification
and, shi, four, death
the, it, have
いる
are, to be, to stay, to have, necessary, to exist
ます
will, to be, i will, to make, to do, to have
i, n, m, ng, yin, hmm
です
is, be, are, am, that, away
the, was, ta, da, other

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