智子はイソイソと出掛けていった。

智子はいそいそと出掛けていった。

Tomoko bounced happily out the door.

智子(さとこ)はイソイソと出掛(でか)けていった。

Satoko wa isoiso to dekaketeitta.

は (は)

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

いそいそ (いそいそ)

cheerfully; excitedly

と (と)

if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)

出かける (でかける)

to go out (e.g. on an excursion or outing); to leave; to depart; to start; to set out; to be about to leave; to be just going out

Reading: チ

Meanings: wisdom, intellect, reason

Readings: シ、ス、ツ、こ、 -こ、ね

Meanings: child, sign of the rat, 11PM-1AM, first sign of Chinese zodiac

Readings: シュツ、スイ、で.る、 -で、だ.す、 -だ.す、い.でる、い.だす

Meanings: exit, leave, go out, come out, put out, protrude

Readings: カイ、ケイ、か.ける、 -か.ける、か.け、 -か.け、 -が.け、か.かる、 -か.かる、 -が.かる、か.かり、 -が.かり、かかり、 -がかり

Meanings: hang, suspend, depend, arrive at, tax, pour