奴らは腹の中で笑っているに違いない。

Sentence Analyzer

奴らは腹の中で笑っているに違いない。

English Translation

I know he's laughing up his sleeve.

Furigana

奴(やつ)らは腹(はら)の中(うち)で笑(わら)っているに違(ちが)いない。

Romanji

Yatsura wa haranouchi de waratteiru ni chigainai.

Words

奴ら (やつら)

they; those guys

は (は)

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

腹の中 (はらのなか、はらのうち)

in the belly; in one's heart of hearts

で (で、にて)

indicates location of action; at; in; indicates time of action; indicates means of action; cause of effect; by; and then; so; indicates continuing action; indicates certainty, emphasis, etc.

笑う (わらう)

to laugh; to smile; to sneer; to ridicule; to be dumbfounded; to be flabbergasted

に (に)

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

違い (ちがい)

difference; discrepancy