to become clear to someone after not realizing
突然明白过来 (turan mingbai guolai)
"It suddenly dawned on me that I’d left my wallet."
"我突然明白我把钱包忘了。" (wo turan mingbai wo ba qianbao wang le)
an unpleasant fact or situation to accept
before the expected or planned time
to attract all the attention or praise
a delicate situation requiring careful diplomacy
small adjustments to improve something
to do something secretly without their knowledge