こっそり

JLPTN2

Adverb (fukushi), adverb taking the 'to' particle, onomatopoeic or mimetic word

Full

彼かれ

はそのことを

私わたし

にこっそり

話はな

してくれた

。

He told me about it in private.

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こそこそ

it is ... that ...; precisely; in particular; definitely; for sure; only (when, after, because, etc.)

ばこそばこそ

only because ...

それこそそれこそ

degree or extent (of effect or result)

今こそいまこそ

now is the time

っこっこ

doing; in such a state