まだ宵の口だ。

まだ宵の口だ。

The night is still young.

まだ宵(よい)の口(くち)だ。

Mada yoinokuchi da.

未だ (まだ、いまだ)

as yet; hitherto; only; still; not yet (with negative verb); more; besides; unfinished; incomplete; not yet finished with

宵の口 (よいのくち)

nightfall; early evening

だ (だ)

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

Readings: ショウ、よい

Meanings: wee hours, evening, early night

Readings: コウ、ク、くち

Meaning: mouth