with all sincerity; wholehearted and genuine; used to describe a person's attitude as being completely honest and serious

earnestly and sincerely; with all sincerity. This idiom is the same as [[诚心诚意|誠心誠意|cheng2 xin1 cheng2 yi4]]

so be it; amen. Often used in a religious or formal context to express that something is sincerely desired.

with all sincerity; behaving with a sincere heart and an upright mind