to say the least
US /tə seɪ ðə liːst/
UK /tə seɪ ðə liːst/

1.
적어도, 최소한
used to indicate that one is understating something, or that the reality is more extreme or significant than what is being explicitly stated
:
•
The meeting was chaotic, to say the least.
회의는 혼란스러웠다, 적어도.
•
His performance was disappointing, to say the least.
그의 공연은 실망스러웠다, 적어도.