Meaning of jū rán:
jū rán
居然
Adverb
unexpectedly; to one's surprise; go so far as to
Tā jīntiān jūrán zǎo dào le.
她今天居然早到了。
She unexpectedly arrived early today.
Tā jūrán tōngguòle suǒyǒu de kǎoshì.
他居然通过了所有的考试。
He surprisingly passed all the exams.
Tā jīntiān jūrán méi lái gōngsī.
他今天居然没来公司。
He didn't go so far as to come to the company today.