僕は笑わずにはいられなかった。
Sentence Analyzer
English Translation
I could hardly keep from laughing.
Furigana
Romanji
Boku wa warawazu ni wa irarenakatta.
Words
僕
(ぼく)
I; me; you; manservant
は
(は)
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
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
要る
(いる)
to need; to want