私達が泊まったホテルはとても快適だった。

私達が泊まったほてるはとても快適だった。

The hotel at which we stayed was very comfortable.

私達(わたしたち)が泊(と)まったホテルはとても快適(かいてき)だった。

Watashitachi ga tomatta hoteru wa totemo kaiteki datta.

私たち (わたしたち、わたくしたち)

we; us

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

泊まる (とまる)

to stay at (e.g. hotel); to be docked; to be berthed; to be moored

ホテル (ホテル)

hotel

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

迚も (とても、とっても)

very; awfully; exceedingly; (not) at all; by no means; simply (cannot)

快適 (かいてき)

pleasant; agreeable; comfortable

だ (だ)

be; is; indicates past or completed action; indicates light imperative

Readings: シ、わたくし、わたし

Meanings: private, I, me

Readings: タツ、ダ、 -たち

Meanings: accomplished, reach, arrive, attain

Readings: ハク、と.まる、と.める

Meanings: overnight stay, put up at, ride at anchor

Readings: カイ、こころよ.い

Meanings: cheerful, pleasant, agreeable, comfortable

Readings: テキ、かな.う

Meanings: suitable, occasional, rare, qualified, capable