人生を退屈にするのは動機の欠如である。

Sentence Analyzer

人生を退屈にするのは動機の欠如である。

English Translation

What makes life dreary is the want of motivation.

Furigana

人生(じんせい)を退屈(たいくつ)にするのは動機(どうき)の欠如(けつじょ)である。

Romanji

Jinsei o taikutsu ni suru no wa dōki no ketsujo de aru.

Words

人生 (じんせい)

(human) life (i.e. conception to death)

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.

退屈 (たいくつ)

tedium; boredom

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

為る (する)

to do; to cause to become; to make (into); to turn (into); to serve as; to act as; to work as; to wear (clothes, a facial expression, etc.); to judge as being; to view as being; to think of as; to treat as; to use as; to decide on; to choose; to be sensed (of a smell, noise, etc.); to be (in a state, condition, etc.); to be worth; to cost; to pass (of time); to elapse; verbalizing suffix (applies to nouns noted in this dictionary with the part of speech "vs"); creates a humble verb (after a noun prefixed with "o" or "go"); to be just about to; to be just starting to; to try to; to attempt to

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

は (は)

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

動機 (どうき)

motive; incentive; motif

欠如 (けつじょ)

lack; privation; deficiency

だ (だ)

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

或 (ある)

a certain ...; some ...