Definition: An open person is honest and not trying to hide something. Level: C2
他对自己缺点相当坦诚。
He's quite ___open about his weaknesses.
我希望你能更坦诚地对我，告诉我你的感受。
I wish you'd be more ___open with me, and tell me what you're feeling.
她长着一张诚实坦率的脸。
She has an honest, ___open face.
