仕事中は喫煙してはいけない。

仕事中は喫煙してはいけない。

You must not smoke while working.

仕事中(しごとちゅう)は喫煙(きつえん)してはいけない。

Shigotochū wa kitsuenshite waikenai.

仕事中 (しごとちゅう)

at work; in the midst of work; working

は (は)

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

喫煙 (きつえん)

smoking

ば (ば)

if ... then; when; and; why don't you...?; the more (one does something); because; since

Readings: シ、ジ、つか.える

Meanings: attend, doing, official, serve

Readings: ジ、ズ、こと、つか.う、つか.える

Meanings: matter, thing, fact, business, reason, possibly

Readings: チュウ、なか、うち、あた.る

Meanings: in, inside, middle, mean, center

Readings: キツ、の.む

Meanings: consume, eat, drink, smoke, receive (a blow)

Readings: エン、けむ.る、けむり、けむ.い

Meaning: smoke