少年たちは時々先生にいたずらしたものだった。

Sentence Analyzer

English Translation

Sometimes the boys would play a trick on their teacher.

Furigana

少年(しょうねん)たちは時々(ときどき)先生(せんせい)にいたずらしたものだった。

Romanji

Shōnentachi wa tokidoki sensei ni itazurashita mono datta.

Words

は (は)

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

時々 (ときどき)

sometimes; at times

先生 (せんせい、せんじょう)

teacher; master; doctor; with names of teachers, etc. as an honorific; previous existence

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

悪戯 (いたずら、いたづら)

mischief; prank; trick; practical joke; pastime; hobby; playing with (a lighter, etc.); fooling around with; messing around with; amusing oneself with; tampering with; lewd behaviour; sexual misconduct; sexual assault; molestation; rape

者 (もの、もん)

person

だ (だ)

be; is; indicates past or completed action; indicates light imperative