HSK 4
竟然
jìngrán副
unexpectedly; to one's surprise; in spite of everything; in that crazy way
他竟然一个小时就做完了。
Tā jìng rán yí gè xiǎo shí jiù zuò wán le.
He unexpectedly finished it in one hour.
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
New in the HSK 3.0 word list at level 4.