動機についてはまったく考察されていない。

No speculation has taken place concerning the motives.

動機(どうき)についてはまったく考察(こうさつ)されていない。

Dōki nitsuite wa mattaku kōsatsusareteinai.

動機 (どうき)

motive; incentive; motif

に就いて (について)

concerning; regarding; per (e.g. 100 yen per person); for every

は (は)

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

全く (まったく)

really; truly; entirely; completely; wholly; perfectly; indeed; good grief (expression of exasperation)

考察 (こうさつ)

consideration; inquiry; enquiry; investigation; study

Readings: ドウ、うご.く、うご.かす

Meanings: move, motion, change, confusion, shift, shake

Readings: キ、はた

Meanings: loom, mechanism, machine, airplane, opportunity, potency, efficacy, occasion

Readings: コウ、かんが.える、かんが.え

Meanings: consider, think over

Reading: サツ

Meanings: guess, presume, surmise, judge, understand