予期せぬ困難が起こった。

予期せぬ困難が起こった。

Some unexpected difficulties have arisen.

予期(よき)せぬ困難(こんなん)が起(お)こった。

Yokisenu konnan ga okotta.

予期 (よき)

expectation; assume will happen; forecast

困難 (こんなん)

difficulty; distress

が (が)

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

起こる (おこる)

to occur; to happen

Readings: ヨ、シャ、あらかじ.め

Meanings: beforehand, previous, myself, I

Readings: キ、ゴ

Meanings: period, time, date, term

Readings: コン、こま.る

Meanings: quandary, become distressed, annoyed

Readings: ナン、かた.い、 -がた.い、むずか.しい、むづか.しい、むつか.しい、 -にく.い

Meanings: difficult, impossible, trouble, accident, defect

Readings: キ、お.きる、お.こる、お.こす、おこ.す、た.つ

Meanings: rouse, wake up, get up