少し待っていたら彼がやってきた。

少し待っていたら彼がやってきた。

I hadn't waited long before he came along.

少(すこ)し待(ま)っていたら彼(かれ)がやってきた。

Sukoshi matteitara kare ga yattekita.

少し (すこし)

small quantity; little; few; something; little while; short distance

待つ (まつ)

to wait; to await; to look forward to; to anticipate; to depend on; to need

彼 (かれ)

he; him; his; boyfriend

が (が)

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

やって来る (やってくる)

to come along; to come around; to turn up; to arrive at the present; to get where one is; to have been doing something (for a period of time)

Readings: ショウ、すく.ない、すこ.し

Meanings: few, little

Readings: タイ、ま.つ、 -ま.ち

Meanings: wait, depend on

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the