まるで一人で笑ってるみたいだ。
Sentence Analyzer
English Translation
She looks as if she's laughing to herself.
Furigana
まるで一 人 で笑 ってるみたいだ。
Romanji
Marude ichi nin de waratteru mitai da.
Words
丸で
(まるで)
quite; entirely; completely; at all; as if; as though; just like
一
(いち)
one; best; first; foremost; beginning; start; bottom string (on a shamisen, etc.)
人
(じん)
-ian (e.g. Italian); -ite (e.g. Tokyoite); indicates nationality, race, origin, etc.; -er (e.g. performer, etc.); person working with ...; indicates expertise (in a certain field); (usu. in compound words) man; person; people
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
みたい
(みたい)
-like; sort of; similar to; resembling
だ
(だ)
be; is; indicates past or completed action; indicates light imperative