スタッフ全員が、出席したわけではありません。

Not all of the staff was present.

スタッフ全員(ぜんいん)が、出席(しゅっせき)したわけではありません。

Sutaffu zen'in ga, shussekishita wake de wa arimasen.

スタッフ (スタッフ)

staff; stuff

全員 (ぜんいん)

all members (unanimity); all hands; the whole crew; everyone; everybody

が (が)

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

出席 (しゅっせき)

attendance; presence; appearance; to attend; to be present; to appear

訳 (わけ)

conclusion from reasoning, judgement or calculation based on something read or heard; reason; cause; meaning; circumstances; situation

だ (だ)

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

は (は)

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

有る (ある)

to be (usu. of inanimate objects); to exist; to live; to have; to be located; to be equipped with; to happen; to come about

Readings: ゼン、まった.く、すべ.て

Meanings: whole, entire, all, complete, fulfill

Reading: イン

Meanings: employee, member, number, the one in charge

Readings: シュツ、スイ、で.る、 -で、だ.す、 -だ.す、い.でる、い.だす

Meanings: exit, leave, go out, come out, put out, protrude

Readings: セキ、むしろ

Meanings: seat, mat, occasion, place