今は勤務中だ。

今は勤務中だ。

I am on duty now.

今(いま)は勤務中(きんむちゅう)だ。

Ima wa kinmuchū da.

今 (いま)

now; the present time; just now; soon; immediately; (one) more

は (は)

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

勤務中 (きんむちゅう)

on duty; at work; while working

だ (だ)

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

Readings: コン、キン、いま

Meaning: now

Readings: キン、ゴン、つと.める、 -づと.め、つと.まる、いそ.しむ

Meanings: diligence, become employed, serve

Readings: ム、つと.める

Meanings: task, duties

Readings: チュウ、なか、うち、あた.る

Meanings: in, inside, middle, mean, center