信号は青だ。

信号は青だ。

The traffic signal is green.

信号(しんごう)は青(あお)だ。

Shingō wa ao da.

信号 (しんごう)

signal; signalling; signaling; traffic light; traffic signal

は (は)

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

青 (あお)

blue; green; green light; black (horse coat color); immature; unripe; young

だ (だ)

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

Reading: シン

Meanings: faith, truth, fidelity, trust

Readings: ゴウ、さけ.ぶ、よびな

Meanings: nickname, number, item, title, pseudonym, name, call

Readings: セイ、ショウ、あお、あお-、あお.い

Meanings: blue, green