entries → 居然
TSUMUGU · TOCFL 4 (est.) · 詞
居然 word · TOCFL 4 (est.)
居然 ＝ 居 ＋ 然
ㄐㄩ ㄖㄢˊ · jūrán
adverb — unexpectedly; to one's surprise

字源 FORM — what the parts do

居to be in a state (居於)jū
然-ly, in that way (忽然)rán
居然，居於的居，忽然的然。
關 · Related
竟然jìngránthe same surprise — swaps in 竟忽然hūránsuddenly — the same 然