How to write 了不起了不起

(completed action marker); (modal particle indicating change of state, situation now); (modal particle intensifying preceding clause)

no; not so; (bound form) not; un-

to rise; to raise; to get up; to set out; to start; to appear; to launch; to initiate (action); to draft; to establish; to get (from a depot or counter); verb suffix, to start; starting from (a time, place, price etc); classifier for occurrences or unpredictable events: case, instance; classifier for groups: batch, group