彼が泥だらけでうつ伏せになっているのを見たとき、笑わずにはいられなかった。

Sentence Analyzer

English Translation

I couldn't help laughing when I saw him lying face down covered with mud.

Furigana

彼(かれ)が泥(どろ)だらけでうつ伏(ぶ)せになっているのを見(み)たとき、笑(わら)わずにはいられなかった。

Romanji

Kare ga dorodarake de utsubuse ni natteiru no o mita toki, warawazu ni wa irarenakatta.

Words

彼 (かれ)

he; him; his; boyfriend

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

泥だらけ (どろだらけ)

covered in mud; mud-caked

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.

俯せる (うつぶせる)

to lie face-down

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

成る (なる)

to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...

の (の)

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

を (を)

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

見る (みる)

to see; to look; to watch; to view; to observe; to look over; to look on; to assess; to examine; to judge; to look after; to keep an eye on; to take care of; to view (e.g. flowers, movie); to try; to try out; to see that...; to find that...

とき (とき)

regular (stops at every station) Jouetsu-line Shinkansen

笑う (わらう)

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

は (は)

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

要る (いる)

to need; to want